It () that no one knows what happened to him A.seemed B.seems C.looks D.looked
问题描述：
It () that no one knows what happened to him A.seemed B.seems C.looks D.looked
答
B
it seems that是固定句型,后面接从句,意思是：“...看来...”“...似乎...”.
而从句是knows表示一般现在时,因此主句也用一般现在时