Passage One  Computers should be in the schools. Theyhave the potential to accomplish great things. With the right software, theycould help make science tangible or teach neglected topics like art and music.They could help

Passage One  Computers should be in the schools. Theyhave the potential to accomplish great things. With the right software, theycould help make science tangible or teach neglected topics like art and music.They could help students form a concrete idea of society by displaying onscreena version of the city in which they live—a picture that tracks real life moment by moment.  In practice，however, computers make our worsteducational nightmares come true. While we bemoan the decline of literacy,computers discount words in favor of pictures and pictures in favor of video.While we fret about the decreasing cogency of public debate, computers dismisslinear argument and promote fast, shallow romps across the informationlandscape. While we worry about basic skills, we allow into the classroomsoftware that will do a student’s arithmetic or correcthis spelling.  Take multimedia. The idea of multimediais to combine text, sound and pictures in a single package that you browse onscreen. You don’t just read Shakespeare； you watch actorsperforming,listen to songs, view Elizabethan buildings. What’s wrong with that? By offering children candy-coated books,multimedia is guaranteed to sour them on unsweetened reading. It makes theprinted page look even more boring than it used to look. Sure，books will be available in the classroom,too—but they’ll have all the appeal of a dustypiano to a teen who has a Walkman handy.  So what if the little nippers don’t read? If they’re watching Olivier instead，what do theylose? The text, the written word along with all of its attendant pleasures.Besides，a book is more portable than a computer, has ahigher-resolution display, can be written on and dogeared and is comparativelydirt cheap.  Hypermedia，multimedia’s comrade in the struggle for a brave new classroom, is just astroubling. It’s a way of presenting documents on screenwithout imposing a linear start-to- finish order. Disembodied paragraphs arelinked by theme； after reading one about the FirstWorld War, for example, you might be able to choose another about thetechnology of battleships, or the life of Woodrow Wilson, or hemlines in the20s. This is another cute idea that is good in minor ways and terrible in majorones. Teaching children to understand the orderly unfolding of a plot or alogical argument is a crucial part of education. Authors don’t merely agglomerate paragraphs； they workhard to make the narrative read a certain way, prove a particular point. Toturn a book or a document into hypertext is to invite readers to ignore exactlywhat counts—the story.      
The author uses the comparison between a dusty piano and a Walkman as____.()

A.an analogy to show that teens will lose interest in reading once they are exposed to multimedia

B.an example to illustrate the rapid advance in technology and social studies

C.a reason to explain the cause of the conflict between traditional and modern way of teaching

D.an evidence to support his argument on multimedia learning for children

正确答案是A