Returning to my hometown, .
A. my watch was missed
B. I found my watch missing
C. I found my watch disappearing
D. I found my watch losing
网友回答
A. my watch was missed
(答案→)B. I found my watch missing
C. I found my watch disappearing
D. I found my watch losing
解析： 考查前后主语保持一致。句意：回到家乡，我发现我的手表不见了。因此分词的逻辑主语也应是I，消失的，不见的，应为：missing/lost/disappeared,所以选B。