The reason __I'm writing is to tell you about a party on Saturday_英语解答

The reason __I'm writing is to tell you about a party on Saturday.
A.because B.why C.for D.as
请问选什么?为什么

人气：299 ℃　时间：2019-08-20 22:13:21

解答

硬要选的话,我选 B答案选C呀。I'm writing后无宾语不能选B吧？感觉上选 B, FOR 也是固定搭配,详细查查区分吧