请教OG10-9,OG10-11

floraxycn

9. Astronomers at the Palomar Observatory have discovered a distant supernova explosion, one that they believe is a type previously unknown to science.

(A)
                    that they believe is

(B)
                    that they believe it to be

(C)
                    they believe that it is of

(D)
                    they believe that is

(E)
                    they believe to be of

答案是E, A和B没有省略that,请问C,D,E怎么分析对错呢？

11. Based on accounts of various ancient writers, scholars have painted a sketchy picture of the activities of an all-female cult that, perhaps as early as the sixth century B.C., worshipped a goddess known in Latin as Bona Dea, "the good goddess."

(A)
                        Based on accounts of various ancient writers

(B)
                        Basing it on various ancient writers' accounts

(C)
                        With accounts of various ancient writers used for a basis

(D)
                        By the accounts of various ancient writers they used

(E)
                        Using accounts of various ancient writers

答案是E,请问A为什么不对？、

谢谢！

avimi

11题A不对是因为based是被动，与scholars不搭。

sky85

请问based on...不能解释成scholars在...的基础上吗? 我也搞不清为什么a不对阿? 读下来还很顺,昏阿...