It took more than twenty years for the great artist _the painting was finished completely

发布时间：2020-08-17 07:59:59

It took more than twenty years for the great artist     _the painting was finished pletely.
A. as
B. before
C. after
D. when

网友回答

A. as
(答案→)B. before
C. after
D. when
解析：句意：在这幅绘画完全完成之前，花费了这位伟大的艺术家20多年的时间。As作为； before在……之前 ；after在……之后 ；when当……时候，选B。
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