阅读下面短文，并结合课文 内容 补充所缺信息，每个空只能填写一个形式正确、意义相符的单词。
Li Yundi, a (1)           Chinese pianist, always loved music. He was (2)          in 1982 in Chongqing. When he was a small boy, he (3)            hum songs and difficult  (4)          of music. He began to learn the accordion at the(5)          of four, and he started to learn the piano(6)           he was seven. In October 2000, Li Yundi(7)         
part in the 14th Chopin International Piano Competition in Poland. He (8)         first prize in his group. He was(9)           the first Chinese pianist in the 70-year(10)          of the competition to win this prize.

He could hum songs and difficult______

1. A.
   piece of musics
2. B.
   pieces of musics
3. C.
   piece of music
4. D.
   pieces of music