问题描述：
This is an old clock that is not only very beautiful but __
A.also it tells time accurately
B.it too tells time accurately
C.it accurately tells time also
D.also accurate
正确答案是D,为什么不能选择A呢?
A.also it tells time accurately
B.it too tells time accurately
C.it accurately tells time also
D.also accurate
正确答案是D,为什么不能选择A呢?
问题解答：
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