While shopping, people sometimes can't help _______into buying something they don't really need.[ ]

A. to persuade      

B. persuading        

C. being persuaded 

D. be persuaded

培训效果的反馈信息可以从以下几个渠道获得（）。

A.培训师反馈

B.培训对象反馈

C.专家反馈

D.下属反馈

E.工作效果分析