her mother had come her face lit up.A. HearingB. Having heardC. When heardD. When she he

问题补充：

her mother had come, her face lit up.

A. Hearing

B. Having heard

C. When heard

D. When she heard

答案：

A. Hearing

B. Having heard

C. When heard

(答案→)D. When she heard

解析：主句和从句的主语不一致,hear这个动作是she发出的，所以D。