I can never forget the days _____ we worked together and the days ______ we spent happily together.

A．when; which

B．which; when

C．for which; that

D．on which; when

苯二氮类的药理作用不包括

（）

A.镇静催眠

B.抗焦虑

C.抗惊厥、抗癫痫

D.肌肉松弛

E.镇痛