一道英语选择题,麻烦进来帮忙.ThisiswhenIrealizedKayladidn'tknowthatMichellewasblind.Ithadjustnever（）inconversation.A.comearoundB.comeacrossC.comethroughD.comeup这题为什么不是选B,而选D.

Question

一道英语选择题,麻烦进来帮忙.
This is when I realized Kayla didn't know that Michelle was blind.It had just never（ ）in conversation.
A.come around B.come across
C.come through D.come up
这题为什么不是选B,而选D.

Answer 1

come up是发生,讨论等的意思
而come across经常伴有一种偶然的感觉,比如产生了一个idea,偶然发生了什么,所以我认为come up更合适一点.