题目内容：

—What do you think of the wonderful stories written by Cao Wenxuan, who just got the 2016 Hans ChristianAndersen Prize(国际安徒生奖)on April 4?

  —       , they are rather excellent, and really suitable for the persons at my age.

A. It's a pleasure                       B. I'm afraid

C. It's a pity                           D. To tell the truth