According to Prof．Bevan，which item comes out last on the list of motivation tools（）

单项选择题When will the group discussion start（）

A.A
B.B
C.C

单项选择题The reviewer finds the information about customer sewice very useful because（）

A．his company doesn’t have enough staff to provide good customer service．
B．the sales in his company is decreasing gradually．
C．the customers’complaints are on the ris