I can think of many cases the media have a strong effect on young men.A. whyB. whereC. asD

问题补充：

I can think of many cases the 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：考查定语从句。本短语从句的先行词是cases，定语从句的结构很完整，故使用关系副词where。Why的先行词是the reason.CD两项都是关系代词。故B正确。