While shopping people sometimes can’t help into buying something they don’t really want.

问题补充：

While shopping, people sometimes can’t help into buying something they don’t really want.

A. to persuade

B. persuading

C. being persuaded

D. be persuaded

答案：

A. to persuade

B. persuading

(答案→)C. being persuaded

D. be persuaded

解析：考查非谓语动词。can’t help doing情不自禁的做，这里是被劝服，故用being persuaded。句意：当购物的时候，人们有时情不自禁的被劝服买他们不真正想要的东西。