After a knock at the door, the child heard his mother’s voice him.
A. calling
B. called
C. being called
D. to call
网友回答
(答案→)A. calling
B. called
C. being called
D. to call
解析：本题考查分词做宾语补足语。根据句意和逻辑理解，his mother’s voice和call之间为主动关系。句意：这一阵敲门声过后，这个孩子听到了他妈妈在喊他的名字的声音。