These experiences me the drug’s harmful effects.A. are convinced; byB. convinced; ofC. w

问题补充：

These experiences me the drug’s harmful effects.

A. are convinced; by

B. convinced; of

C. were convinced; by

D. convinced; at

答案：

A. are convinced; by

(答案→)B. convinced; of

C. were convinced; by

D. convinced; at

解析：考查动词用法。本题考查定语convince sb of 使某人相信。句意：这些经历使我相信毒品的害处。