问题补充:
—He got his first book published. It turned out to be a bestseller.
—When was ?
— was in 2000 when he was still in college.
A. that; This
B. this; It
C. it; This
D. that; It
答案:
A. that; This
B. this; It
C. it; This
(答案→)D. that; It
解析:第一个空指代上文所提到的内容;第二个空是强调句型,只保留了前半部分It was in 2000 when he was still in college,而省略了that he got his first place.