XDF蓝皮中册P92T5???

A new 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

why answer is B???

theory that .... not theory of .....  所以A，C,E错。

D：逻辑错误

A new study of ancient clay deposits has provided new evidence supporting the theory (that global forest fires ignited by a meteorite impact contributed to the extinction of the dinosaurs and many other creatures some 65 million years ago).

the theory should be followed by that