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A. Presumed to be genetic or partially genetic in origin, about three in every 100 children are born with a severe disorder. Children can't be presumed to be genetic or partially genetic in origin. Hence choice A is wrong.

B. Born with a severe disorder presumed to be genetic or partially genetic in origin, are about three in every 100 children. Who are born with a severe disorder? Wrong
C. About three in every 100 children are born with a severe disorder presumed to be genetic or partially genetic in origin. Correct choice.

D. About three in every 100 children, presumed to be genetic or partially genetic in origin, are born with a severe disorder. Wrong. presumed to be genetic or partially genetic in origin incorrectly modifying children.

E. Severe disorders that are presumed to be genetic or partially genetic in origin are found in about three in every 100 children who are born. Wrong. Wordy
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The right answer is option C.

We need to know what the modifier presumed to be genetic or partially genetic in origin is intended to modify. It is intended to modify a severe disorder.

A. Presumed to be genetic or partially genetic in origin, about three in every 100 children are born with a severe disorder. Incorrect. This is because the modifier is misplaced. The modifier will make more sense if it comes after about three in every 100 children are born with a severe disorder.

B. Born with a severe disorder presumed to be genetic or partially genetic in origin, are about three in every 100 children. This is incorrect. The participial phrase Born with a severe disorder presumed to be genetic or partially genetic in origin cannot be the subject of the verb are. This sentence is incorrect. At best we expect a plural noun phrase or a noun as the subject of the verb are.

C. About three in every 100 children are born with a severe disorder presumed to be genetic or partially genetic in origin. Correct. The modification is correct in this option and the meaning is very clear.

D. About three in every 100 children, presumed to be genetic or partially genetic in origin, are born with a severe disorder. wrong. We cannot presume three out of every 100 children to be generic or partially genetic even before they are born. Presumed to be genetic or partially genetic in origin is expected to modify genetic disorder.

E. Severe disorders that are presumed to be genetic or partially genetic in origin are found in about three in every 100 children who are born. Option E is wordy and not concise when compared with option C. The modification is correct in this option, as presumed to be genetic or partially genetic in origin correctly modifies severe disorders.
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Quote:
Presumed to be genetic or partially genetic in origin, about three in every 100 children are born with a severe disorder.

A. Presumed to be genetic or partially genetic in origin, about three in every 100 children are born with a severe disorder.
B. Born with a severe disorder presumed to be genetic or partially genetic in origin, are about three in every 100 children.
C. About three in every 100 children are born with a severe disorder presumed to be genetic or partially genetic in origin.
D. About three in every 100 children, presumed to be genetic or partially genetic in origin, are born with a severe disorder.
E. Severe disorders that are presumed to be genetic or partially genetic in origin are found in about three in every 100 children who are born.

What is presumed to be genetic in origin? A disorder, not children.

A. "presumed to be genetic" is mod "three in every 100" misplaced mod;
B. "born with…" is mod "are about" misplaced mod;
D. "presumed to be…" is mod "about three in every 100" nonsense;
E. nonsense;

Answer (C)
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A. Presumed to be genetic or partially genetic in origin, about three in every 100 children are born with a severe disorder....modifier presumed to be gentic...is not placed correctly
B. Born with a severe disorder presumed to be genetic or partially genetic in origin, are about three in every 100 children......both ...or...wrong usage and meaning distortion..if and is used instead
C. About three in every 100 children are born with a severe disorder presumed to be genetic or partially genetic in origin......correct
D. About three in every 100 children, presumed to be genetic or partially genetic in origin, are born with a severe disorder.modifier presumed to be gentic...is not placed correctly
E. Severe disorders that are presumed to be genetic or partially genetic in origin are found in about three in every 100 children who are born..... redundant and not clear


OA:C

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Presumed to be genetic or partially genetic in origin, about three in every 100 children are born with a severe disorder.

A. Presumed to be genetic or partially genetic in origin, about three in every 100 children are born with a severe disorder.
B. Born with a severe disorder presumed to be genetic or partially genetic in origin, are about three in every 100 children.
C. About three in every 100 children are born with a severe disorder presumed to be genetic or partially genetic in origin.
D. About three in every 100 children, presumed to be genetic or partially genetic in origin, are born with a severe disorder. - Correct. Proper use of modifier
E
. Severe disorders that are presumed to be genetic or partially genetic in origin are found in about three in every 100 children who are born.


Answer is D
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Presumed to be genetic or partially genetic in origin, about three in every 100 children are born with a severe disorder.

A. Presumed to be genetic or partially genetic in origin, about three in every 100 children are born with a severe disorder.
Participial modifier modifying wrong subject
B. Born with a severe disorder presumed to be genetic or partially genetic in origin, are about three in every 100 children.
Incorrect Flipped construction.
C. About three in every 100 children are born with a severe disorder presumed to be genetic or partially genetic in origin.
Clear meaning. Correct answer.
D. About three in every 100 children, presumed to be genetic or partially genetic in origin, are born with a severe disorder.
Bolded phrase should modify disorder
E. Severe disorders that are presumed to be genetic or partially genetic in origin are found in about three in every 100 children who are born.

Answer is C
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“presumed to be genetic or partially genetic in origin“ should modify, and sit close to, “the disorder”. Only C fits (E is wordy).
C is my answer.
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Bunuel

Competition Mode Question



Presumed to be genetic or partially genetic in origin, about three in every 100 children are born with a severe disorder.

A. Presumed to be genetic or partially genetic in origin, about three in every 100 children are born with a severe disorder.
B. Born with a severe disorder presumed to be genetic or partially genetic in origin, are about three in every 100 children.
C. About three in every 100 children are born with a severe disorder presumed to be genetic or partially genetic in origin.
D. About three in every 100 children, presumed to be genetic or partially genetic in origin, are born with a severe disorder.
E. Severe disorders that are presumed to be genetic or partially genetic in origin are found in about three in every 100 children who are born.

Official Explanation:



Correct Answer: C

Choices a, b, and d have problems with word order. In choices a and d, the modifier presumed to be genetic or partially genetic in origin is misplaced. In b, the subject and predicate are reversed. Choice e is unnecessarily wordy and redundant.
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