The good-for-nothing graduate’s mind _______ when he learned that he could not get the graduation diploma because of his poor performance．

A．turned empty

B．became light

C．grew blind

D．went blank

根据《税收征收管理法》的规定，下列各项中，属于税收保全措施的是( )。

A．暂扣纳税人营业执照

B．书面通知纳税人开户银行从其存款中扣缴税款

C．依法拍卖纳税人价值相当于应纳税款的货物，以拍卖所得抵缴税款

D．书面通知纳税人开户银行冻结纳税人的金额相当于应纳税款的存款