A)根据所给的汉语写出单词，使句子意思完整正确。

46. Sandy likes listening to 　　　　(音乐).She often listens to CDs.

15. -Is Mr. Smith really very ill?　　　

-　　　　 . He can’t go to work and he has to stay at home to have a rest.

A. I’m afraid so　　 　　　　　　　　B. No, he isn’t　　

C. I hope so　 　　　　　　　　　　D. I don’t think so