There is a certain degree of similarity in the U.S. elementary school curriculum, which mainly consists of mastery of the “basics”，such as ____________ .

There is a certain degree of similarity in the U.S. elementary school curriculum, which mainly consists of mastery of the “basics”，such as ____________ .

A.reading, writing and arithmetic

B.science，visual arts and grammar

C.science，history and music

D.reading, writing and music

正确答案是A