英语问题:__more difficult for grow—ups to learn a foreign language.
A. It seems that it is
B. That seems to be
C They seem to be
D. It seems to be
为什么选 D呢???
主语+seem+(to be)+表语 表语多为形容词或名词。而 seem that从句 后要加主语从句,也就是说以人为主语,而不能以it作形式主语,故A不对。
追问Thank you !