— 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

下列关于通用制度说法错误的是（）。

A.通用制度由公司总部制定

B.省公司级单位可根据客观实际申请制定差异条款

C.差异条款不须向国网公司报批

D.通用制度是在公司系统统一执行的规章制度