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# By sucking sup from the young twigs of the hemlock tree,

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Intern
Joined: 03 Jun 2005
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By sucking sup from the young twigs of the hemlock tree, [#permalink]

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01 Aug 2005, 15:14
00:00

Difficulty:

(N/A)

Question Stats:

45% (00:51) correct 55% (00:31) wrong based on 11 sessions

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By sucking sup from the young twigs of the hemlock tree, tree growth is retarted by the wooly adelgid, causing needles to change colour from deep green to grayish green and to drop[u] prematurely

A...

B. tree growth is retarted by the wooly adelgid, and this causing the colour of needles to change from deep green to grayish green, and their dropping

C. the wooly adelgid retards tree growth, which causes needles to change colours from deep green to grayish green, and dropping

D. the wooly adelgid retards tree growth, causing needles to change colours from deep green to grayish green, and to drop

E. the wooly adelgid retards tree growth, and this causes the colour of needles to change from deep green to grayish green, and the their dropping

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Intern
Joined: 29 Jul 2005
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01 Aug 2005, 19:52
A is not correct because the retarded tree growth is not causing the color change. (Misplaced Modifier)

B is also a variation on the Misplaced Modifier.

C corrects the modifier problem but the sentence has faulty parallelism (retards tree growth...dropping)

E is also incorrect because of faulty parallelism.

D is correct because the wooly adelgid is the cause of the retarded tree growth and the sentence is parallel. The modifier is placed correctly and the parallelism is corrected.

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Intern
Joined: 30 May 2005
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04 Aug 2005, 04:38
D it is.
following reasons---

Avoids passive voice
maintains Parallelism

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Manager
Joined: 09 Nov 2004
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04 Aug 2005, 13:29
Ans is d?

causes to.....and to.....
modifier: wooly modifies the 1st phrase
_________________

Thanks!

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VP
Joined: 13 Jun 2004
Posts: 1111

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Location: London, UK
Schools: Tuck'08

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23 Aug 2005, 03:25
had an hesitation between C and D but would go for D

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Intern
Joined: 11 Aug 2005
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Location: North Carolina

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23 Aug 2005, 03:50
D for me too.

Can someone explain why D is correct option.

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Manager
Joined: 19 Nov 2007
Posts: 222

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Re: S.C. retarted tree growth [#permalink]

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05 Nov 2009, 04:29
"causing...." is required to explain cause and effect phenomena

Moreover, "to change" and "to drop" are parallel.

So I would go with Choice D

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Manager
Joined: 16 Feb 2011
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Re: S.C. retarted tree growth [#permalink]

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20 Aug 2011, 12:24
In D...by sucking...and to drop is not parallel

however, in C..by sucking and dropping is parallel..

Pls help explain why C is wrong!!

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Manager
Joined: 04 Jun 2011
Posts: 182

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Re: S.C. retarted tree growth [#permalink]

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20 Aug 2011, 13:00
DeeptiM wrote:
In D...by sucking...and to drop is not parallel

however, in C..by sucking and dropping is parallel..

Pls help explain why C is wrong!!

the needles are the ones changing color and dropping to the floor. Hence D is indeed parallel

the wooly creature sucks out sap from the twigs
causing needles (some part of the plant)
to change color
and
to drop prematurely

-----------------------------------------

if the sentence intended to say the wooly thing
sucks the sap out of a plant
AND
drops prematurely

then C would have been right... but then the above logic doesnt make sense does it?

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Director
Joined: 04 Jun 2016
Posts: 645

Kudos [?]: 388 [0], given: 36

GMAT 1: 750 Q49 V43
Re: By sucking sup from the young twigs of the hemlock tree, [#permalink]

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21 Jul 2016, 00:02
007 wrote:
By sucking sup from the young twigs of the hemlock tree, tree growth is retarted by the wooly adelgid, causing needles to change colour from deep green to grayish green and to drop[u] prematurely

A...

B. tree growth is retarted by the wooly adelgid, and this causing the colour of needles to change from deep green to grayish green, and their dropping

C. the wooly adelgid retards tree growth, which causes needles to change colours from deep green to grayish green, and dropping

D. the wooly adelgid retards tree growth, causing needles to change colours from deep green to grayish green, and to drop

E. the wooly adelgid retards tree growth, and this causes the colour of needles to change from deep green to grayish green, and the their dropping

A and B are out of modifier issues
BETWEEN C,D and E :- D is best . Parallelism "to change colour" and "to drop"
p.s:- This is the one of the most lazy post I have seen. No sign of even a little bit of effort .
_________________

Posting an answer without an explanation is "GOD COMPLEX". The world doesn't need any more gods. Please explain you answers properly.
FINAL GOODBYE :- 17th SEPTEMBER 2016. .. 16 March 2017 - I am back but for all purposes please consider me semi-retired.

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Re: By sucking sup from the young twigs of the hemlock tree,   [#permalink] 21 Jul 2016, 00:02
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# By sucking sup from the young twigs of the hemlock tree,

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