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After more than four decades of research and development, a

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06 Jun 2010, 10:33
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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

In the statement here, that should modify the word before it. Hence that modifies tested and not the jet engine. In this case how can A be OA, but e when it makes the meaning clear. Can somebody please explain?
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06 Jun 2010, 14:40
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

Here parallelism is being tested. A is most parallel --------> propel or help

that -----> refers to jet engine.

Another example :
1. This is one of the cars that run on hydrogen

that refers to cars

2. Cleveland is one of a large number of communities on the Great Lakes that are looking to improve the quality of urban life

that refers to communities NOT to Great Lakes
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26 Jun 2010, 07:11
OA is E.
Could anybody clarify?
Thanks,
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26 Jun 2010, 07:57
Not sure of the OA but answer has to be E
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Re: research and development   [#permalink] 26 Jun 2010, 07:57
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