gwd-11-33没人问过

Q33:

After more than four decades of research and development, a new type of jet engine is being tested that could eventually propel aircraft anywhere in the world within two hours or help boost cargoes into space at significantly lower costs than current methods permit.

A.       tested that could eventually propel aircraft anywhere in the world within two hours or help

B.       tested that could eventually have the capability of propelling aircraft anywhere in the world within two hours or to help

C.       tested, eventually able to propel aircraft anywhere in the world within two hours, or helping

D.       tested, and it eventually could propel aircraft anywhere in the world within two hours or helping

E.        tested, and it could eventually have the capability to propel aircraft anywhere in the world within two hours or help

答案竟然是e，不觉得有点累赘吗？

大全952。这题有过争论，楼主可以搜搜以前的帖子，论坛中多数人倾向选A。