Walt Whitman believed, by means of “( ),” he has turned poetry into an open field, an area of vital possibility where the reader can allow his own imagination to play.

Walt Whitman believed, by means of “( ),” he has turned poetry into an open field, an area of vital possibility where the reader can allow his own imagination to play.

A.free verse

B.strict verse

C.regular rhyming

D.standardized rhyming

正确答案是A