1. A huge flying reptile that died out with the dinosaurs some 65 million years ago, the Quetzalcoatlus had a wingspan of 36 feet, believed to be the largest flying creature the world has ever seen.
(A) believed to be
(B) and that is believed to be
(C) and it is believed to have been
(D) which was, it is believed,
(E) which is believed to be
为什么选C呢?A错在哪呢?
请NN指教~~谢谢
举报
前人认为是选出一个最好的。
可以参考这个帖子。
http://forum.chasedream.com/dispbbs.asp?boardid=23&replyid=298315&id=29891&page=1&skin=0&Star=1
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