I can think of many casesthe media have a strong effect on young men. A. whyB. whereC. as

问题补充：

I can think of many casesthe media have a strong effect on young men.

A. why

B. where

C. as

D. which

答案：

A. why

(答案→)B. where

C. as

D. which

解析：选B。考查定语从句。句意: 我能想起很多媒体对青年影响之大的例子。先行词为cases, 定语从句中缺少地点状语, 故用where。why在定语从句中作原因状语; as和which均为关系代词, 在定语从句中作主语、宾语或表语。