She was a very good wife,a very careful mother,looked after her children unceasingly,was __________

attached to her husband.[ ]

A．extremely  

B．fluently

C．officially  

D．sincerely

适当的职责分离有助于防止各种有意或无意的错误，下列表述中未进行适当职责分离的有（）。

A.负责应收账款记账的职员同时负责登记银行存款日记账

B.编制销售发票通知单的人员同时开具销售发票

C.合同订立人员负责就销售价格、发货及收款方式等具体事项与客户进行谈判

D.应收票据的取得、贴现和保管均由财务主管负责