While shopping, you should make your own decision. You cannot simply depend on is advertised on TV
A. which
B. that
C. what
D. one
网友回答
A. which
B. that
(答案→)C. what
D. one
解析：这题考察what引导的名词性从句，介词on后面接的是宾语从句，宾语从句中缺少主语用what，句意是：在购物时，你应该自己做决定，不能简单的依赖电视广告。选C。