lots of times the song doesn’t sound as nice as before.A. HearingB. To hearC. Having he

问题补充：

lots of times, the song doesn’t sound as nice as before.

A. Hearing

B. To hear

C. Having heard

D. Heard

答案：

A. Hearing

B. To hear

C. Having heard

(答案→)D. Heard

解析：考查非谓语动词。句中逻辑主语为the song，与代词hear为被动关系，故用动词的过去分词作状语，选D。