---- What do you think of the lecture made yesterday?

---- Excellent! _______ you missed such a wonderful lecture?

A．How is it that

B．Why it was that

C．How was it that

D．When was it that

想访问最近曾经访问过的网页用哪个按钮（）。

A.搜索

B.收藏

C.历史

D.刷新