____was known to them that Bob had broken his promise____he would give them a rise.
问题描述：
____was known to them that Bob had broken his promise____he would give them a rise.
答案A.As;whichB.As;that C.It;that D. It;which 选B为什么后面不是定语从句呀不明白
答
参考答案：应该选C.It was/is known to sb that句型,表示“某人知道.”；在这句话中意思是：“他们知道.某件事”,是哪件事呢?that后面的Bob had broken his promise是最主要的一部分,“鲍勃没有遵守诺言”这件事,什...