TOEFL Reading: ETS-TOEFL阅读机经 - DHI15CZ846345N14L$

According to paragraph 4, all of the following are true of the Burgess Shale EXCEPT: A. Its fossils were in a flattened condition when discovered. B. Its fossils provide direct evidence about the origin of eyes. C. It contains fossils of both Precambrian and Cambrian animals. D. It contains fossilized remains of soft-bodied organisms.