29. About one in ten computer game players show signs of addictive behavior that      have

negative effects on their family, friends and school work , according to a new study.

A．could

B．should

C．need

D．Would

在重要空白凭证管理中，需要给予有关责任人员记大过至开除处分的行为包括（）。

A、柜员代客户签发应由客户办理的重要空白凭证

B、柜员代客户填写应由客户办理的重要空白凭证

C、柜员代客户编制支付密码

D、柜员代客户约定支付密码