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Source: Official Guide for the GMAT 13th Ed. Sentence Correction; #113 Official Guide for the GMAT 2015 14th Ed. Sentence Correction; #113


As a baby emerges from the darkness

As a baby emerges from the darkness of the womb with a rudimentary sense of vision, it would be rated about 20/500, or legally blind if it were an adult with such vision.

3 Explanations


As a baby emerges seems like 'Duration As'. So it gives the impression that rating is being done as the baby is emerging which doesn't make proper sense elimination A,C,E leaving B,D. Also, 'Where an adult' is a hypothetical subjunctive that requires 'were' - eliminating B.

Jan 8, 2016 • Comment


Hi there! I would caution you against eliminating these answer choices simply on this basis. There are also some grammatical rules we can use to eliminate these choices.

The "it" in (A) has no clear antecedent.

(B) uses "or" incorrectly, and implies that the vision would be an adult.

(C) has a dependent clause "qualifying it to be legally blind if an adult" that comes after a semi-colon; semi-colons can only separate two independent clauses.

(E) uses "its," a possessive pronoun, but has no antecedent in the possessive.

Jan 11, 2016 • Reply


Andrew Smith

Is the pronoun "it" or its" able fo have a human antecedent?

Oct 15, 2015 • Comment

Sam Kinsman

Hi there! We usually use the pronouns "he" or "she" when we refer to people, but the pronoun "it" is used for babies.

Nov 7, 2015 • Reply


Gravatar Mike McGarry, Magoosh Tutor

May 25, 2013 • Comment

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