By the time I saw the angry expression on his face, I ______ exactly what I was having to face. But not for a moment ______ I should quit.

A．had known; I thought

B．have known; had I thought

C．would know; I would think

D．knew; did I think

在OutlookExpress中设置唯一电子邮件账号：kao@sina.com，现成功接收到一封来自shi@sina.com的邮件，则以下说法正确的是（）

A、在收件箱中有kao@sina.com邮件

B、在收件箱中有shi@sina.com邮件

C、在本地文件夹中有kao@sina.com邮件

D、在本地文件夹中有shi@sina.com邮件