— 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
网友回答
A. that; This
B. this; It
C. it; This
(答案→)D. that; It
解析：
D。第一空填that，指书的出版; 第二空填it，指时间。