It must have taken a long time to all the facts of these old books.A. dig outB. take outC

问题补充：

It must have taken a long time to all the facts of these old books.

A. dig out

B. take out

C. break up

D. take apart

答案：

(答案→)A. dig out

B. take out

C. break up

D. take apart

解析：考查动词短语辨析。A挖掘；发现；B扣除，取出；C分解，关系破裂；D拆卸；拆分；句意：要花很长的时间才能找出关于这些书的所有的事实情况。根据句意说明A正确。