___ the meeting ,he would have attended.A If he knewB If he hadn'_英语解答

___ the meeting ,he would have attended.
A If he knew
B If he hadn't known
C Had he known
D If he didn't know

人气：467 ℃　时间：2020-02-05 07:16:24

解答

做过的题目,答案是C
Had he known=If he had known
如果他知道有这个会议,他会参加的.