Researchers have explored the possibility that dolphins are : GMAT Sentence Correction (SC)
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# Researchers have explored the possibility that dolphins are

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Researchers have explored the possibility that dolphins are [#permalink]

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30 Jun 2009, 08:09
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Researchers have explored the possibility that dolphins are able to be trained to communicate as humans .

A.are able to be trained to communicate as humans .
B.were able to be trained like humans .
C.can be trained to communicate like humans can.
D.Could be trained to communicate as humans .
E.are capable of being trained to communicate as humans do .
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30 Jun 2009, 08:24
IMHO it is C please let us know the OA
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30 Jun 2009, 08:44
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Even I thought it is C, but the "can" at the end of the sentence misled me.

C.can be trained to communicate like humans can.

Does the can mean that the "humans can be trained to communicate"? If so, then it is altering the meaning of the original sentence, because the original sentence probably wants to convey that dolphins can be trained to communicate like how humans can communicate. Not how humans can be trained to communicate..

See the difference..

Thats why I am stuck. what is the OA Please...Is it E?
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30 Jun 2009, 09:11
Yes now that I revisit the options I guess E is right, the second "can" does change the sentence.
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30 Jun 2009, 10:35
Why not D?

"could" is incorrect?

oops .. sorry, just now i noticed the "as", obviously they can't communicate "AS" humans

In that case, E is the answer for me.

as humans "do" is the correct one
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30 Jun 2009, 23:02
Only E seems to be an answer which says as humans do.
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30 Jun 2009, 23:16
IMO C what's OA?

Oops! perhaps E
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Re: Researchers have explored the possibility that dolphins are [#permalink]

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20 Jul 2016, 12:03
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Researchers have explored the possibility that dolphins are [#permalink]

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29 Dec 2016, 05:38
smashingpumpkins wrote:
Researchers have explored the possibility that dolphins are able to be trained to communicate as humans .

A.are able to be trained to communicate as humans .
B.were able to be trained like humans .
C.can be trained to communicate like humans can.
D.Could be trained to communicate as humans .
E.are capable of being trained to communicate as humans do .

A can be eliminated as it doesn't follow the usage rule of AS (As+clause)C can be eliminated as it doesn't follow rule of LIKE (Like + NO CLAUSE -- Or just Like + Noun)
B can be eliminated as it uses wrong tense (simple past) to present a fact.

E is the right answer.

Seems like I played a wrong strategy here haha.

As is suggesting roles here.. so A & D can't be rejected for this reason.

Digging further, E is wrong as it suggests that humans can be trained? Not right.
A - are able to be trained is not right usage.

So D.
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Researchers have explored the possibility that dolphins are   [#permalink] 29 Dec 2016, 05:38
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# Researchers have explored the possibility that dolphins are

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