The girl referred to ______ well.A.singing B.sing C.sings D.sang各位大侠请赐教,答案选哪个,为什么?

The girl referred to ______ well.A.singing B.sing C.sings D.sang各位大侠请赐教,答案选哪个,为什么?
The girl referred to ______ well.A.singing B.sing C.sings D.sang
各位大侠请赐教,答案选哪个,为什么?

The girl referred to ______ well.A.singing B.sing C.sings D.sang各位大侠请赐教,答案选哪个,为什么?
答案C
主语是the girl；谓语是sings
referred to是定语,相当于：who has been referred to
这句话的意思是
（刚）谈到的那个女孩歌唱得好.

选C
有例句：
Government officials and analysts said this referred to talks with theus.