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We had a few questions about this one in today's verbal chat, and... unfortunately, this particular question has a bunch of issues. As is often the case, daagh has the right idea: the parallelism and logic don't quite work right, and the punctuation doesn't really make any sense, either. To be honest, I don't think that any of the answer choices are really defensible.

So please don't lose sleep over this one!
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There is generally agreement that feral swine are unwelcome – such as the Asian carp that are threatening to invade Lake Michigan, but that are far larger, more vicious and mounted on four legs.
A)such as the Asian carp that are threatening to invade Lake Michigan, but that are far larger, more vicious and mounted on four legs
B)like the Asian carp that have threatened an invasion of Lake Michigan, but far larger, more vicious, and mounted on four legs
C)like the Asian carp that are threatening to invade Lake Michigan, but are far larger, more vicious, and are mounted on four legs
D)like the Asian carp that are threatening to invade Lake Michigan, but far larger, more vicious, and mounted on four legs
E)such as the Asian carp that threaten to invade Lake Michigan, but are far larger and more vicious, and mounted on four legs

Asian carp is shown as an example here, so why not use such as?
some one please explain

First, "such as" vs "like".
The intended meaning is the FACT "feral swine are unwelcome" is like the FACT "Asian carp are unwelcome in Lake Michigan".
Clearly, Asian carp is not an example of feral swine.
In addition, "such as" refers examples of the same category. For example: I love eating Asian fish such as catfish and Asian carp.
So, A and E are out.

Second, Present perfect VS simple present/progressive.
B is wrong because present perfect tense is wrongly used. Because we want to mention two similar facts ==> simple present / progressive is correct
C is also wrong because the usage of "are" is redundant. For example: She is tall and is smart ==> the second "is" is not necessary and should be eliminated.

D is correct, the structure is "X are unwelcome BUT far larger......:
"feral swine are unwelcome but far larger, more vicious and mounted on four legs"

Hope it helps.

Very good explanation for the difference between like and such as. Also, the explanation for redundancy of "are" is very good. Thanks :)
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emmak
There is generally agreement that feral swine are unwelcome – such as the Asian carp that are threatening to invade Lake Michigan, but that are far larger, more vicious and mounted on four legs.
A)such as the Asian carp that are threatening to invade Lake Michigan, but that are far larger, more vicious and mounted on four legs
B)like the Asian carp that have threatened an invasion of Lake Michigan, but far larger, more vicious, and mounted on four legs
C)like the Asian carp that are threatening to invade Lake Michigan, but are far larger, more vicious, and are mounted on four legs
D)like the Asian carp that are threatening to invade Lake Michigan, but far larger, more vicious, and mounted on four legs
E)such as the Asian carp that threaten to invade Lake Michigan, but are far larger and more vicious, and mounted on four legs


A)such as the Asian carp that are threatening to invade Lake Michigan, but that are far larger, more vicious and mounted on four legs - "such as" is wrong
B)like the Asian carp that have threatened an invasion of Lake Michigan, but far larger, more vicious, and mounted on four legs - "threatened an invasion of" is wrong, makes it seem like the Asian carp are making a threat.
C)like the Asian carp that are threatening to invade Lake Michigan, but are far larger, more vicious, and are mounted on four legs - "are far larger" and "are mounted" is too wordy IMO. Don't know if there's anything grammatically wrong though.
D)like the Asian carp that are threatening to invade Lake Michigan, but far larger, more vicious, and mounted on four legs - correct
E)such as the Asian carp that threaten to invade Lake Michigan, but are far larger and more vicious, and mounted on four legs - "such as is wrong"
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sayantanc2k
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Please explain how to get to the correct answer for the below question:
There is generally agreement that feral swine are unwelcome ??? such as the Asian carp that are threatening to invade Lake Michigan, but that are far larger, more vicious and mounted on four legs.
A)such as the Asian carp that are threatening to invade Lake Michigan, but that are far larger, more vicious and mounted on four legs
B)like the Asian carp that have threatened an invasion of Lake Michigan, but far larger, more vicious, and mounted on four legs
C)like the Asian carp that are threatening to invade Lake Michigan, but are far larger, more vicious, and are mounted on four legs
D)like the Asian carp that are threatening to invade Lake Michigan, but far larger, more vicious, and mounted on four legs
E)such as the Asian carp that threaten to invade Lake Michigan, but are far larger and more vicious, and mounted on four legs
[Reveal] Spoiler: OA

"Asian carp" is not an example of "feral swine". Hence A and E can be eliminated ("such as" is used to introduce examples). It is meant that "Asian carp" is similar to "feral swine". Hence "like" is correct. B, C and D remain.

Comma + conjunction is used to introduce a clause - therefore ", but" must have been followed by a subject and a verb ("that are", not just "are"). Hence C can be eliminated. B and D remain.

The past perfect "have threatened" is wrong. The "threatening" is not an action that has been completed in the past, but whose effect is stil there. Henec B is wrong. D remains.

Hi sayantanc2k,
Please clarify how can option D be correct if it lacks SV after 'comma + but' . Is this usage can be correct in GMAT ?
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Please clarify how can option D be correct if it lacks SV after 'comma + but' . Is this usage can be correct in GMAT ?
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Please clarify how can option D be correct if it lacks SV after 'comma + but' . Is this usage can be correct in GMAT ?
You don't necessarily need to have a full independent clause (subject + verb) after a comma + "but". I can think of at least a couple of situations in which the comma + "but" isn't followed by a full independent clause. Both situations involve parallelism:

  • There are many species of rodent that are incredibly cute, but also incredibly vicious when threatened.
  • Many invasive species of fish are not only damaging to local ecosystems, but also unappealing to commercial and recreational fishermen.

In both cases, we could argue that the commas aren't strictly necessary, but they aren't wrong, either. And the comma + "but" isn't followed by a full clause in either case.

But please see my previous comment above -- I think this particular SC question has some serious flaws, so I wouldn't recommend spending your valuable time on it. :)

And welcome to GMAT Club, Mridul1993!
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emmak
There is generally agreement that feral swine are unwelcome – such as the Asian carp that are threatening to invade Lake Michigan, but that are far larger, more vicious and mounted on four legs.
A)such as the Asian carp that are threatening to invade Lake Michigan, but that are far larger, more vicious and mounted on four legs
B)like the Asian carp that have threatened an invasion of Lake Michigan, but far larger, more vicious, and mounted on four legs
C)like the Asian carp that are threatening to invade Lake Michigan, but are far larger, more vicious, and are mounted on four legs
D)like the Asian carp that are threatening to invade Lake Michigan, but far larger, more vicious, and mounted on four legs
E)such as the Asian carp that threaten to invade Lake Michigan, but are far larger and more vicious, and mounted on four legs

So the subtle trap with this question- well it's kind of obvious- but the sentence is not denoting the Asian carp as an example of feral swine...it's rather making a comparison between the two which justifies the use of "like."

D is the most concise answer choice.
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sayantanc2k
Ayush Mishra
hii,
Although going through all post ,I understood structure of the sentence but still I am unable to get the meaning of the sentence .Pls help

The meaning is as follows:

The following is generally agreed:
Feral swine are unwelcome because they are similar to Asian carp that are threatening to invade lake Michigan. However the difference between those Asian carp and Feral swine are as follows:
Feral swine are larger and more vicious, and they have 4 legs.

Compare with the following simpler construction:
I am like my brother, but more intelligent and less healthy.
Hii Sayantanc,
You just told that Comma+Conjunction must be followed by Subject+ Verb then in the correct option Fereal swine is understood after the ,but.
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Hi All,

Agreed. Option D may be correct, but can 'like' be followed by a clause?
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raunakme19
Hi All,

Agreed. Option D may be correct, but can 'like' be followed by a clause?

Hey raunakme19 ,

No, there is a strict rule of "like". It can never be followed by a clause. It has to be followed by a noun or a noun + noun modifier and MUST also be used only for comparison.

Now, you may ask what's happening in D then.

In option D, we have the Noun + Noun Modifier construction.

Noun - Asian Carp

Noun Modifier - that are threatening to invade Lake Michigan.

Does that make sense?
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vad3tha
emmak
There is generally agreement that feral swine are unwelcome – such as the Asian carp that are threatening to invade Lake Michigan, but that are far larger, more vicious and mounted on four legs.
A)such as the Asian carp that are threatening to invade Lake Michigan, but that are far larger, more vicious and mounted on four legs
B)like the Asian carp that have threatened an invasion of Lake Michigan, but far larger, more vicious, and mounted on four legs
C)like the Asian carp that are threatening to invade Lake Michigan, but are far larger, more vicious, and are mounted on four legs
D)like the Asian carp that are threatening to invade Lake Michigan, but far larger, more vicious, and mounted on four legs
E)such as the Asian carp that threaten to invade Lake Michigan, but are far larger and more vicious, and mounted on four legs

D looks good, but I don't know why C is wrong. I read all explanation, but no one can make it clear.



I also selected C, but what I feel wrong about C is:

When we are introducing "are", we are forcing a parallel structure to the sentence......and unfortunately, not maintaining the parallelism throughout the structure.....

C)like the Asian carp that are threatening to invade Lake Michigan, but are far larger, more vicious, and are mounted on four legs.......

Not only awkward in meaning but also awkward parallelism (-ing, -er and -ed) ........

May be my reasoning is wrong, but this is what I could make out....
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AjiteshArun,


Here the use of Like is correct because Asian carp is not an example of feral swine .
Let's say I am unaware of the meaning of the similar jargon .
How do I distinguish between Like and such as ? Any tactics?
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akash7gupta11
Here the use of Like is correct because Asian carp is not an example of feral swine .
Let's say I am unaware of the meaning of the similar jargon .
How do I distinguish between Like and such as ? Any tactics?
I think we could remove the like options and focus on choosing between the remaining such as options if we really had no other way to take a call there. However, that is clearly not the ideal way to approach a like/such as question. :)

One quick point though: the GMAT may not be as strict about not using like to introduce examples these days. So, if you see an option using like to introduce examples, don't remove that option immediately, especially if there are no such as options.
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How to deal with question where I don't understand the meaning,


I understand the usage of such as and like. but I have no clue about "Asian carp" and "feral swine". These two are comparables
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generis

How to go ahead with this one?? I am lost . Please help.
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generis

How to go ahead with this one?? I am lost . Please help.
warrior1991 - I am not surprised that you are lost.

Please see daagh's comments HERE

And GMATNinja 's post HERE.
In another post he wrote, "But please see my previous comment above -- I think this particular SC question has some serious flaws, so I wouldn't recommend spending your valuable time on it." :)


I agree with GMATNinja. I do not think that any of the answer choices are defensible.
I will tag the question.
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VeritasKarishma

if option C didn't have parallelism issue, and stated ",but are far more larger, are more vicious, and are mounted on four legs", would it be correct then?
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