关于stolen robbed的选择题

问题描述:

关于stolen robbed的选择题
ketty told the policeman that her gold watch ( ).
C.had been stolen from
D.had been robbed of
why?
书上说了三句型:
rob sb.of sth.
sb.be robbed of sth.
steal sth.from sb.
我主要想知道D 是从哪个句型转换过来的,麻烦帮说明怎么转?

steal something something be stolen
如果选c,后面from就缺宾语了.
rob sb of sth sth 是of 的宾语