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# The African Maasai have adopted the Living Wall

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Joined: 23 Feb 2015
Posts: 1357

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26 Jul 2019, 11:19
Skywalker18 wrote:
The African Maasai have adopted the Living Wall project in their bid to save their livestock from attacks by predators; the natural fences built of myrrh trees have been designed to prevent the attacks, and they do.

A. natural fences built of myrrh trees have been designed to prevent the attacks, and they do
B. natural fences have been built of myrrh trees, designed to prevent the attacks, and they have been
C. natural fences built of myrrh trees are designed for preventing the attacks, and have
D. naturally built fences of myrrh trees have been designed for preventing the attacks, and it is
E. naturally built fences of myrrh trees are being designed to prevent the attacks, and they do

The the in the underline part MUST be replaced with "their", and this "their" should be kept out of the underlined part (specially for this case).
Also, the underlined part should not include the full-stop (.).
The most important thing for this SC:
It seems that the correct choice is A. If the official answer is A, then it will be considered as faulty construction. Here you go for the reason-->
"have been designed to prevent" has been used as present perfect tense (with passive voice). So. we have to use present continuous tense in the bold part of choice A (considering that choice A is the legit one). As do can't cover are preventing (continuous tense), we have to replace do with are preventing.
Finally, the correct sentence would be as follows:
The African Maasai have adopted the Living Wall project in their bid to save their livestock from attacks by predators; their natural fences built of myrrh trees have been designed to prevent the attacks, and they are preventing.
^^ This one is the same as:
The African Maasai have adopted the Living Wall project in their bid to save their livestock from attacks by predators; their (The African Maasai) natural fences built of myrrh trees have been designed to prevent the attacks, and they (natural fences) are preventing.
Hi RonPurewal, MartyTargetTestPrep, jennpt, AjiteshArun, ccooley, DmitryFarber, VeritasKarishma, GMATNinja, egmat, generis
It'll be better for members if you help selecting the correct choice.
Thank you__

Hi bb
This one is the question made by egmat for Game of Timers where there is a severe errors, I feel. I think, egmat should demystify their official answer (A) on the basis of my query. So, could you mention egmat to give their feedback, please? Your help will be appreciated

Here is the same version of the official answer (A).

The members of egmat have created some 700 level SC questions to encourage GMAT aspirants; the 700 level SC questions have been designed to test the caliber of GMAT aspirants, and they (the 700 level SC questions) do (test).

^^ The red part is the generalities of "the 700 level SC questions", but we don't need something what those "the 700 level SC questions" do in everyday life; we need continuous action of that "the 700 level SC questions". So, using do (test) does not make sense at all-we've to use are testing in stead of do (test). For this specific reason, it seems that the next version perfectly makes sense.

The members of egmat have created some 700 level SC questions to encourage GMAT aspirants; the 700 level SC questions have been designed to test the caliber of GMAT aspirants, and they are testing.

Regards,

MartyTargetTestPrep
Sir, may I have your opinion in this comment?
Thanks__
_________________
“The heights by great men reached and kept were not attained in sudden flight but, they while their companions slept, they were toiling upwards in the night.”

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01 Aug 2019, 15:02
Skywalker18 wrote:
The African Maasai have adopted the Living Wall project in their bid to save their livestock from attacks by predators; the natural fences built of myrrh trees have been designed to prevent the attacks, and they do.

A. natural fences built of myrrh trees have been designed to prevent the attacks, and they do
B. natural fences have been built of myrrh trees, designed to prevent the attacks, and they have been
C. natural fences built of myrrh trees are designed for preventing the attacks, and have
D. naturally built fences of myrrh trees have been designed for preventing the attacks, and it is
E. naturally built fences of myrrh trees are being designed to prevent the attacks, and they do

 This question was provided by e-GMAT for the Game of Timers Competition

A gorgeous question with a few points of attack. Let's analyze.

A. natural fences built of myrrh trees have been designed to prevent the attacks, and they do
Can't figure out what is wrong with this sentence. Let's move on to other answer choice to get more context as to what could be wrong.

B. natural fences have been built of myrrh trees, designed to prevent the attacks, and they have been
Verb tense "have been" seemingly implies that they were built, and still exist. This verb tense agrees with that of the first sentence. A subordinate clause "Designed to prevent attacks" modifies the noun just before it, but we know that myrrh trees weren't designed, but rather natural fences were. Normally, we can eliminate a subordinate clause to understand the true meaning and if we do so here, it reads "natural fences have been built of myrrh trees, designed to prevent the attacks, and they have been." This reads, "Fences have been built, and they have been." Eliminate B.

C. natural fences built of myrrh trees are designed for preventing the attacks, and have
Verb tense here implies that myrrh trees are now designed for preventing the attacks, but they should have, at least been started, to have been designed in the past. Let's simplify the sentence. "Natural fences built of myrrh trees are designed for preventing the attacks, and have." Have what? Eliminate C.

D. naturally built fences of myrrh trees have been designed for preventing the attacks, and it is
Naturally built seems to throw off the meaning here. The fences were naturally built? Does that mean that these fences, through nature, were designed to prevent attacks? I don't think so. In fact, the previous sentence implies that the Maasai have designed these fences. Let's simplify D. "Naturally built fences of myrrh trees have been designed for preventing the attacks, and it is." Fences doesn't agree with "it." Eliminate D.

E. naturally built fences of myrrh trees are being designed to prevent the attacks, and they do
The verb tense here shows us that the fences are being designed today and now, while the first sentence implies that these were first designed in the past. Eliminate E.

Revisiting A, "have been designed" shows that, just as in the first sentence, the Maasai started the project in the past, which effects or conditions still exist today, just as the fences were built in the past, and they still exist today. Moreover, "they do" clearly follows the meaning that fences built to prevent attacks even today. A seems to be the best answer.
The African Maasai have adopted the Living Wall   [#permalink] 01 Aug 2019, 15:02

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