it seemed ____that the girl could save a lot of people in the Tsunamo,but

问题描述:

it seemed ____that the girl could save a lot of people in the Tsunamo,but
she really did.
A impossible B impossibly
答案是C,为什么不是D?

答案应该是A,是形容词的那个,因为seem这里是系动词,后边要用形容词做表语.
这个句子it是形式主语,真正的主语是that从句.
句子的意思是,那个女孩能在海啸中救了那么多人似乎是不可能的,但是她的确做到了.
有什么疑问还可以问我,