Mrs. Wang found his little son with his toys alone when she arrived home. A. playsB. to p

问题补充：

Mrs. Wang found his little son with his toys alone when she arrived home.

A. plays

B. to play

C. play

D. playing

答案：

A. plays

B. to play

C. play

(答案→)D. playing

解析：本题考查的是find sb或sth doing sth，用动词的现在分词作宾语补足语，故选D