大全987-25 求解释！！！

little27

A recent study of ancient clay deposits has provided new evidence supporting the theory of global forest fires ignited by a meteorite impact that contributed to the extinction of the dinosaurs and many other creatures some 65 million years ago.(A) supporting the theory of global forest fires ignited by a meteorite impact that
(B) supporting the theory that global forest fires ignited by a meteorite impact
(C) that supports the theory of global forest fires that were ignited by a meteorite impact and that
(D) in support of the theory that global forest fires were ignited by a meteorite impact and that
(E) of support for the theory of a meteorite impact that ignited global forest fires and
答案是B，A哪里错了呢？

little27

thx http://forum.chasedream.com/GMAT_SC/thread-63023-1-1.html?SearchText=大全25 刚刚找到具体解释了 有疑问的大家一起看看吧 以后发帖按格式...我忏悔

yexuu

A从逻辑意义上看是错误的，造成extinction的应该是fire，而不是meteorite impact