Researchers have questioned the use of costly and : GMAT Sentence Correction (SC)
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# Researchers have questioned the use of costly and

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Senior Manager
Joined: 07 Jul 2005
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Researchers have questioned the use of costly and [#permalink]

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15 Nov 2005, 20:01
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Researchers have questioned the use of costly and experimental diagnostic tests to identify food allergies, such as milk, that supposedly disrupt normal behavior.

(A) to identify food allergies, such as
(B) to identify food allergies, like
(C) to identify food allergies, such as to
(D) for identifying food allergies, like that of
(E) for identifying food allergies, such as for
If you have any questions
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Director
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15 Nov 2005, 20:24
"such as " has to be used in the sentenmce to indicate examples. Milk is an example, there can be many other.
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16 Nov 2005, 02:06
C)..."...to identify food allergies, such as (allergies) to milk..."
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16 Nov 2005, 10:32
Vote for E.

Such as is needed in this sentence.

Also, the preposition to in A, B, and C make the sentence too ambiguous.

for indentifying sth modifies the tests while to indentify modify for the whole sentence.
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16 Nov 2005, 11:47
allergic to is the correct idiom and for example such as is used.

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16 Nov 2005, 11:47
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