_Chasing pop stars is generally considered to beyoung people like while middle-aged people

问题补充：

_Chasing pop stars is generally considered to beyoung people like while middle-aged people keep a cool head about this.

A. what

B. that

C. which

D. something what

答案：

(答案→)A. what

B. that

C. which

D. something what

解析：考查连词。what引导一个名词性从句，在从句中作宾语。