the man __told me it was dangerous here.

问题描述:

the man __told me it was dangerous here.
A on the wach
B watching
C on watch
D at watch 顺便翻译一下

那个值班的男的对我说这里很危险.
on watch 值班,监视
C其它几个选项什么意思啊非要翻译的话,A on the wach在手表店(o(╯□╰)o)B watching正在看C on watch 值班,监视D at watch(没有这种说法)