（ ）the poem a second time , the meaning of it will become clearer to you .
A.Your having read
B.If reading
C.When you read
D.While reading
正确答案是C
（ ）the poem a second time , the meaning of it will become clearer to you .
A.Your having read
B.If reading
C.When you read
D.While reading
正确答案是C