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Kuru disease

Expert replies
by psm12se » Thu Feb 27, 2014 1:28 am
Kuru, one of the strangest and most insidious of the diseases known, is no longer a major problem in New Guinea.
(A) of the diseases known
(B) of the diseases to be known
(C) of the diseases that is known
(D) known of the diseases
(E) diseases known
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Source: — Sentence Correction |

by GMATGuruNY » Thu Feb 27, 2014 3:38 am
psm12se wrote:Kuru, one of the strangest and most insidious of the diseases known, is no longer a major problem in New Guinea.
(A) of the diseases known
(B) of the diseases to be known
(C) of the diseases that is known
(D) known of the diseases
(E) diseases known
A, B and C: the strangest and most insidious of the diseases
Here, a reader might construe the following:
One particular disease is THE STRANGEST AND MOST INSIDIOUS.
The result would be the following nonsensical meaning:
Kuru is ONE OF [one particular disease that is the strangest and most insidious].
The intended meaning is as follows:
Kuru is one of the strangest and most insidious diseases.
Eliminate A, B and C.

D: the most insidious known
Here, insidious (adjective) seems to modify known (adjective).
An adjective cannot serve to modify another adjective.
Eliminate D.

The correct answer is E.
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