In order to improve English, ________________.

A．Jenny’s father bought her a lot of tapes

B．Jenny bought a lot of tapes for herself

C．a lot of tapes were bought by Jenny

D．a lot of tapes were bought by Jenny’s father

( )不属于BPRS的因子。

A．思维障碍

B．缺乏活力

C．躯体化

D．敌对猜疑