He was so calm＿he knew nothing about the news.A.seem B.look like C.as if D.even if
问题描述：
He was so calm＿he knew nothing about the news.A.seem B.look like C.as if D.even if
答
C 虚拟语气请细细地解释一下，可以吗？他那么冷静 好想他一点也不知道这个消息似的it seems that 或者seem to dolook 不能直接加宾语或句子even if 是即使的意思都不符合题意