He passed through a difficult period after his marriage broke down.
A. strongly
B. extremely
C. entirely
D. shortly
网友回答
A. strongly
B. extremely
C. entirely
(答案→)D. shortly
解析：考查副词：A. strongly强烈地B. extremely非常地C. entirely整个的D. shortly不久，句意：在婚姻出问题后不久他就经历了一段困难的时期。选D。