问题描述：
20.___________ made the student __________ interest in his study.
A.Being punished; to lose B.Punished; lose
C.Being punished; lose D.having been punished; lose
为何选C不选D?
A.Being punished; to lose B.Punished; lose
C.Being punished; lose D.having been punished; lose
为何选C不选D?
问题解答：
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