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sonik
could someone pls provide the explanation for the above SC question?

Hospitals are increasing the hours of doctors, significantly affecting the frequency of surgical errors, which already are a cost to hospitals of millions of dollars in
malpractice lawsuits.

(A) significantly affecting the frequency of surgical errors, which already are a cost to hospitals of
WORDY. It's better to write "Cost Hospitals" rather than " Cost to hospitals of". Hence Incorrect
(B) significantly affecting the frequency of surgical errors, which already cost hospitals
CORRECT
(C) significantly affecting the frequency of surgical errors, already with hospital costs of
A Run-On Sentence. Hence Incorrect.
(D) significant in affecting the frequency of surgical errors, and already costs hospitals
Use of AND is incorrect since "Which already cost hospitals" should modify ERRORS, but in this option it is not modifying and it is being treated as a different action. Use of adjective "SIGNIFICANT" leads to a RUN-ON sentence. Hence Incorrect.
(E) significant in affecting the frequency of surgical errors and already costs hospitals
Use of AND is incorrect since "Which already cost hospitals" should modify ERRORS, but in this option it is not modifying and it is being treated as a different action. Use of adjective "SIGNIFICANT" leads to a RUN-ON sentence. Hence Incorrect.
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Option B
Done in 30 seconds...
Significant is acting as adjective. So it will be significantly..(D E out)
which is referred directly to errors..( C out)
A is wordy...out
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The answer choice is B. Its easy to find the answer choice.
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nitred
Hospitals are increasing the hours of doctors, significantly affecting the frequency
of surgical errors, which already are a cost to hospitals of
millions of dollars in
malpractice lawsuits.

(A) significantly affecting the frequency of surgical errors, which already are a cost to hospitals of
(B) significantly affecting the frequency of surgical errors, which already cost hospitals
(C) significantly affecting the frequency of surgical errors, already with hospital costs of
(D) significant in affecting the frequency of surgical errors, and already costs hospitals
(E) significant in affecting the frequency of surgical errors and already costs hospitals

Imo B

A the use of preposition of is incorrect
B correct
C there is no subject before already .
D changes meaning use of and is incorrect
E same as D
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nitred
Hospitals are increasing the hours of doctors, significantly affecting the frequency
of surgical errors, which already are a cost to hospitals of
millions of dollars in
malpractice lawsuits.

(A) significantly affecting the frequency of surgical errors, which already are a cost to hospitals of
(B) significantly affecting the frequency of surgical errors, which already cost hospitals
(C) significantly affecting the frequency of surgical errors, already with hospital costs of
(D) significant in affecting the frequency of surgical errors, and already costs hospitals
(E) significant in affecting the frequency of surgical errors and already costs hospitals

The phrase "which already are a cost to hospitals of" is pretty lengthy. B is correct because the phrase "which already cost hospitals" modifies the nouns "errors" which is plural. Errors...plural verb

B
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GMATNinja VeritasPrepKarishma sayantanc2k

In original sentence, is usage of which to refer to plural nouns - surgical errors - correct?
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Yes, the "which" modifier refers to the preceding noun phrase: surgical errors.

By the way, this problem is not one of ours. It's from Manhattan Review.
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1. Adverbs modify action/verb and are always followed by a comma. So, 'Significantly' works right here. (Action: 'Hospitals increasing'.)
Significant is an adjective. Doesn't modify action 'Hospitals increasing'.

So, D and E are ruled out.

A is wordy and C is a run-on sentence.

Hence B.
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nitred
Hospitals are increasing the hours of doctors, significantly affecting the frequency of surgical errors, which already are a cost to hospitals of millions of dollars in malpractice lawsuits.


(A) significantly affecting the frequency of surgical errors, which already are a cost to hospitals of

(B) significantly affecting the frequency of surgical errors, which already cost hospitals

(C) significantly affecting the frequency of surgical errors, already with hospital costs of

(D) significant in affecting the frequency of surgical errors, and already costs hospitals

(E) significant in affecting the frequency of surgical errors and already costs hospitals

MANHATTAN REVIEW OFFICIAL EXPLANATION:



D and E change the meaning. ‘Significantly affecting’ is different from ‘significant in affecting’. B is shorter and clearer than A and C. B is correct.
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Hospitals are increasing the hours of doctors, significantly affecting the frequency of surgical errors, which already are a cost to hospitals of millions of dollars in malpractice lawsuits.


(A) significantly affecting the frequency of surgical errors, which already are a cost to hospitals of

(B) significantly affecting the frequency of surgical errors, which already cost hospitals

(C) significantly affecting the frequency of surgical errors, already with hospital costs of

(D) significant in affecting the frequency of surgical errors, and already costs hospitals

(E) significant in affecting the frequency of surgical errors and already costs hospitals

Rules:
1)
a non-essential modifier can start with x-ing, cannot start with an adjective
2)
errors plural => cost

Splits:
significantly affecting vs significant in affecting
cost vs costs
cost X millions vs hospitals of millions
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