have all the girls in our class known that they will have a five-day visit to jiuzhai valley?

问题描述:

have all the girls in our class known that they will have a five-day visit to jiuzhai valley?
yes,every girl_about it but that's unbelievable.A.were told B.has told C.has been told
应该选A.B.C哪个

我们班的所有女生都知道他们将去九寨沟5日游吗
c为什么不能选A问题是完成时啊