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A derivative of the North American Echinacea flower, which has been ef

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A derivative of the North American Echinacea flower, which has been ef  [#permalink]

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New post 07 May 2015, 22:57
2
2
00:00
A
B
C
D
E

Difficulty:

  65% (hard)

Question Stats:

36% (01:03) correct 64% (01:24) wrong based on 109 sessions

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A derivative of the North American Echinacea flower, which has been effective in preventing colds, is grown by many small farmers out West.


(A) A derivative from the North American Echinacea flower, which has been effective in preventing colds,

(B) A derivative, which has been effective in preventing colds, of the North American Echinacea flower,

(C) A North American Echinacea flower derivative, which has been effective in preventing colds,

(D) The North American Echinacea flower has a derivative which has been effective in preventing colds, that

(E) The North American Echinacea flower, a derivative of which has been effective in preventing colds,

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Re: A derivative of the North American Echinacea flower, which has been ef  [#permalink]

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New post 08 May 2015, 12:44
1
ChiGMAT wrote:
A derivative of the North American Echinacea flower, which has been effective in preventing colds, is grown by many small farmers out West.


let's understand the meaning
a derivative of NAEF has been effective in preventing colds
NAEF is grown by many small farmers

Derivative cannot be grown. Because of this, A, B, and C can be eliminated.

in D -> comma+that - i don't like it, furthermore it refers to cold and not flower.
E it is then!
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Re: A derivative of the North American Echinacea flower, which has been ef  [#permalink]

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New post 08 May 2015, 22:38
I went with C..
I guess E changes the meaning of the original sentence.
Here, it says that NAEF is grown by many small farmers out West whereas the original sentence states that the derivative(another form of NAEF which has been effective in preventing colds) is grown by many small farmers out West
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Re: A derivative of the North American Echinacea flower, which has been ef  [#permalink]

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New post 11 Sep 2018, 05:38
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: A derivative of the North American Echinacea flower, which has been ef &nbs [#permalink] 11 Sep 2018, 05:38
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A derivative of the North American Echinacea flower, which has been ef

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