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The federal rules aimed at protecting human subjects of

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The federal rules aimed at protecting human subjects of [#permalink]

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15 Dec 2011, 22:18
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Question Stats:

56% (01:48) correct 44% (00:46) wrong based on 61 sessions

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124. The federal rules aimed at protecting human subjects of medical experiments were established to ensure that patients must be warned of potential risks and an independent panel would evaluate the experiment before it was conducted.

A. must be warned of potential risks and an independent panel would
B. must be warned of potential risks and that an independent panel
C. are warned about potential risks and that an independent panel
D. will be warned about potential risks and an independent panel would
E. would be warned of potential risks and that an independent panel would

Why not c?

Warn of and warn about both ok?
[Reveal] Spoiler: OA
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Re: sc 124. The federal rules aimed at protecting human subjects [#permalink]

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16 Dec 2011, 00:49
eybrj2 wrote:
124. The federal rules aimed at protecting human subjects of medical experiments were established to ensure that patients must be warned of potential risks and an independent panel would evaluate the experiment before it was conducted.

A. must be warned of potential risks and an independent panel would
B. must be warned of potential risks and that an independent panel
C. are warned about potential risks and that an independent panel
D. will be warned about potential risks and an independent panel would
E. would be warned of potential risks and that an independent panel would
Why not c?

Warn of and warn about both ok?

C is wrong in tense. The non-underlined part is the past simple tense with "were established". So, the tense after that also agree in past. Only "would" and "must" are acceptable. Base on the meaning, "ensure" make sense to report the future tense rather than simple tense. In past, future tense will become hypothetical. "would" is okay

Note, never combine "present tense" with "hypothetical would" or "past tense" with "future will". This is rule.
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Re: sc 124. The federal rules aimed at protecting human subjects [#permalink]

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16 Dec 2011, 21:50
eybrj2 wrote:
124. The federal rules aimed at protecting human subjects of medical experiments were established to ensure that patients must be warned of potential risks and an independent panel would evaluate the experiment before it was conducted.

A. must be warned of potential risks and an independent panel would
B. must be warned of potential risks and that an independent panel
C. are warned about potential risks and that an independent panel
D. will be warned about potential risks and an independent panel would
E. would be warned of potential risks and that an independent panel would

Why not c?

Warn of and warn about both ok?

There are multiple splits to eliminate answer choices.

"must" is redundant as we have the verb "ensure."

1. "established to ensure that P and Q" - P & Q should be parallel. Eliminate A, B, D.

"evaluate the experiment before it was conducted."
Would is used when a sentence talks about the future in past tense.
"Was" at the end of the sentence suggests that the sentence is speaking in past tense rather than the present.
Eliminate C.

E is correct.

There are often more prominent splits than idioms.
"Warned of" is more formal than "warned about"
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Re: The federal rules aimed at protecting human subjects of [#permalink]

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15 Oct 2014, 08:34
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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Re: The federal rules aimed at protecting human subjects of   [#permalink] 15 Oct 2014, 08:34
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