If you promise to go with us ,_ will be OK .急 A as B which C what_英语解答

If you promise to go with us ,_ will be OK .急
A as B which C what D that
主要是C和D的区别,为什么C不可以

人气：273 ℃　时间：2020-03-19 17:15:32

解答

D
前面从句,后面主句,不会两个都是从句.
what will be OK作为主句是疑问句