( )用于客户融资融券交易的资金结算。
A．客户信用交易担保证券账户
B．融券专用证券账户
C．融资专用资金账户
D．信用交易资金交收账户
参考答案：D
下列各选项中有关对劳动者进行安全技术培训阐述正确的是（）.
A.劳动者要经过专门培训并取得特种作业资格证书，才能从事相应的特种作业劳动
B.未经安全生产教育和培训合格的从业人员，不得上岗作业
C.只要经过安全生产教育和培训的从业人员即可上岗作业
D.劳动者进行特种作业技术培训的费用由用人单位和劳动者共同承担
We __________ so tired. We've only been to a party.
A．mustn't have felt
B．wouldn't have felt
C．shouldn't have felt
D．couldn't have felt
