I didn't know ______.C.if I could say anything about it.D.that I _英语解答

I didn't know ______.C.if I could say anything about it.D.that I could say any thing about it.
为什么D不行

人气：152 ℃　时间：2020-02-02 16:07:23

解答

因为题目要表达的意思是我不知道我可不可以说,whether或者if 的意思