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题目
It will cost a lot of time.______,I think we shall need it and it will certainly be useful.
A.What's more
B.As a result
C.At the same time
D.After all
该题选那个答案?C和D有什么区别?

提问时间:2021-01-02

答案
c
At the same time 同时,但是
After all 毕竟
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