It was last Saturday we visited the History Museum.A. whichB. andC. thatD. Where

问题补充：

It was last Saturday we visited the History Museum.

A. which

B. and

C. that

D. Where

答案：

A. which

B. and

(答案→)C. that

D. Where

解析：考查强调句型。句意：正是上周六，我们参观里历史博物馆。It is/was ...that...是强调句型，本句强调的时间状语，把it, was, that三个词去掉后，不影响句意，因此是强调句型。故选C。