4. What did the author feel about his / her performance?
    A. He / She thought it was comfortable and successful.
    B. He / She thought it was very difficult but successful.
    C. He / She thought he / she had never made a mistake during the performance.
    D.He / She thought he / she played through the piece carefully but light-heartedly. 

 

1.D。从第1段可知，这是作者首次在观众面前演出，再结合第3、4段便知作者紧张的原因。
2.A。从前面的内容推知：在父母面前演奏无妨，即使messed up(弄得一团糟)他们也会说“很好”。
3.C。9、10、11三段都对此作了描述。
4.B。最后两段无疑是在告诉读者，作者成功了。此外前八段都是对作者紧张、不安的描述。所以只有B项能恰当反映作者对此次表演的感受。D显然错误；同时因为作者演奏时曾弹错了一个音符，所以C的说法错误。