债务人( ),债权人的利益得到实现,当事人之间设立债的目的已达到,债的关系也就自然消灭了。
A.提存标的物
B.债务免除
C.放弃债权
D.履行了债务
参考答案:D
核算员不应参加本部门有关生产会议。
It is his cleverness, not his strenth, ____ defeated his rival.
A.that
B.which
C.what
D.who