-----is known to all is that the Diaoyu Islands have belonged to _英语解答

-----is known to all is that the Diaoyu Islands have belonged to China since ancient times.A.As B.It C.What D.That

人气：191 ℃　时间：2020-04-08 08:36:23

解答

C what is known to all是主语从句,整个做主语,横线部分少从句的主语,所以用疑问代词what