-You know Jane?---Yes it was I surfed the Internet last week.A. thatB. whenC. whyD. w

问题补充：

---You know Jane?

---Yes, it was I surfed the Internet last week.

A. that

B. when

C. why

D. whom

答案：

A. that

(答案→)B. when

C. why

D. whom

解析：这个句子实际是个强调句，对时间状语进行强调,that之后省略了。完整的结构是，it was when I surfed the Internet last week that I know Jane.