--Mr. Li I found a watch on the playground.You should try to find out A. whose is the

问题补充：

--Mr. Li, I found a watch on the playground.

--You should try to find out

A. whose is the watch

B. who is the owner of the watch

C. whom does the watch belong to

答案：

解析：此题重点考查宾语从句的语序问题。在宾语从句中，不论哪种句式充当宾语从句都要用陈述句语序。选项A和C都是疑问句语序，故被排除，只能选B。