题干
—He got his first book published.It turned out to be a bestseller.
—When was _______?
—_______ was in 2000 when he was still in college.
—When was _______?
—_______ was in 2000 when he was still in college.
A：that;Thi
B：this;It
C：it;Thi
D：that;It
答案(点此获取答案解析）
D
