sometimes appear that children are crying when they are actually laughing_______sometimes appear that children are crying when they are actually laughing.A.It mayB.There may為什么不能選B？

熱心網友

it appear that:是一個詞組意指看起來似乎...

熱心網友

這里的it作形式主語，代指children are crying when they are actually laughing這件事情