The parents felt helpless when they found their son drugs.
A. addicted
B. addicted to
C. addicted himself
D. addicted himself to
网友回答
A. addicted
(答案→)B. addicted to
C. addicted himself
D. addicted himself to
解析：本题考查短语固定搭配。句中addict to为“沉溺于”之意。句意：当他们发现他们儿子沉溺于毒品的时候，父母感到无望。