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# A recently discovered Native American artifact, preserved since approx

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Math Expert
Joined: 02 Sep 2009
Posts: 64240
A recently discovered Native American artifact, preserved since approx  [#permalink]

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12 Aug 2019, 01:29
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Difficulty:

5% (low)

Question Stats:

86% (01:36) correct 14% (01:42) wrong based on 71 sessions

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A recently discovered Native American artifact, preserved since approximately 1345 AD, has been determined to be composed of woven acrylic by a scientist, a fabric previously thought to have been invented 632 years later.

(A) A recently discovered Native American artifact, preserved since approximately 1345 AD, has been determined to be composed of woven acrylic by a scientist, a fabric previously thought to have been invented 632 years later.

(B) Preserved since approximately 1345 AD, a recently discovered Native American artifact had been recently determined by a scientist to be composed of woven acrylic, a fabric previously thought to be invented 632 years later.

(C) A scientist had determined that a recently discovered Native American artifact is composed of woven acrylic, a fabric previously thought to be invented 632 years later, after having been preserved since approximately 1345 AD.

(D) After being preserved since approximately 1345 AD, a scientist has determined that a recently discovered Native American artifact is composed of woven acrylic, a fabric previously thought to have been invented 632 years later.

(E) A scientist has determined that a recently discovered Native American artifact, preserved since approximately 1345 AD, is composed of woven acrylic, a fabric previously thought to have been invented 632 years later.

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Joined: 31 May 2018
Posts: 36
Re: A recently discovered Native American artifact, preserved since approx  [#permalink]

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12 Aug 2019, 09:16
(A) "a fabric previously thought to have been invented 632 years later" modifies "a scientist". Incorrect

(B) Incorrect use of past perfect "had determined"

(C) Same as B.

(D) "After being preserved since approximately 1345 AD, a scientist" suggest that scientist had been preserved since 1345 AD. Incorrect.

(E) Correct choice.
Intern
Joined: 21 Jun 2019
Posts: 18
Location: United States (NY)
GMAT 1: 710 Q50 V36
GPA: 3.69
Re: A recently discovered Native American artifact, preserved since approx  [#permalink]

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12 Aug 2019, 10:04
E - seems to use the correct tense
A scientist has determined that a recently discovered Native American artifact, preserved since approximately 1345 AD, is composed of woven acrylic, a fabric previously thought to have been invented 632 years later.

A - incorrectly modifies scientist with 'a fabric previously thought'.
E corrects this by placing this modifier next to acrylic
Also - A uses passive voice
Re: A recently discovered Native American artifact, preserved since approx   [#permalink] 12 Aug 2019, 10:04