The young man was .
A. addicted to drinking
B. addicted to drink
C. addicted on drinking.
D. addicted in drinking
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(答案→)A. addicted to drinking
B. addicted to drink
C. addicted on drinking.
D. addicted in drinking
解析：考查固定结构。Be addicted to doing sth.沉溺于做某事。所以选A。