求助一道PREP语法题答案究竟是A还是E？

ptlove4ever

The greatest road system built in the Americas prior to the arrival of Christopher Columbus was the Incan highway, which, over 2,500 miles long and extending from northern Ecuador through Peru to Southern Chile.

(A)Columbus was the Incan highway, which, over 2,500 miles long and extending

(B)Columbus was the Incan highway, over 2,500 miles in length, and extended

(C)Columbus, the Incan highway, which was over 2,500 miles in length and extended

(D)Columbus, the Incan highway, being over 2,500 miles in length, was extended

(E)Columbus, the Incan highway was over 2,500 miles long, extending

我是在一个叫做考GMAT的网站找到的这道题目。有人说正确答案是E有人说正确答案是A
我拿到的PREP版本中这道题目选的是A。
难道说PREP每个人手里的答案还不一样吗？??

alancui

CD上资料下中的PREP的答案是E,  A选项中Which后面不可以直接接  over 2,500 miles long，必须加上was

ptlove4ever

CD上资料下中的PREP的答案是E,  A选项中Which后面不可以直接接  over 2,500 miles long，必须加上was

-- by 会员 alancui (2012/2/2 9:29:36)

请问同学你是在哪里下到的PREP？可以也发一份给我吗？我也是从cd下载的啊，可是就选A..混沌了。。。

斗戰士のNGU

选E， A为run-on

我是从毛毛版主顶置的精华帖里下得

ptlove4ever

回复楼上，谢谢~！！！