代理人在不违背合约的情况下,以违背委托人的利益为代价来实现自己的利益,代理人的这种行为被称为()。
参考答案:机会或行为
()she seemed to find English very difficult, but later he made very good progress.
A.At the first
B.At present
C.At the present
D.At first
增量备份的恢复时间最短。