We don't care about ___ they will not come tomorrow.A.whether B.that C.if D.when

We don't care about ___ they will not come tomorrow.A.whether B.that C.if D.when

if 宾语从句为否定句时,一般用if 引导
如：i don't care if it doesn't rain

A
根据句子的意思，这里要表示是否的意思，
否定句里要用whether

选B.that
这道题考的是whether和taht的用法区别
在否定句和疑问句中用that而不用whether.
在肯定句中用whether
本句是否定句，选that.

B.that