Bunuel
As its performance has risen on all the stock indexes, the bio-tech startup has branched out into new markets to look for opportunities
they would previously have had to ignore.
(A) they would previously have had to ignore
(B) they would have had to ignore previously
(C) that previously they would have had to ignore
(D) it previously would have had to ignore in past years
(E) it would previously have had to ignore
OFFICIAL EXPLANATION
E
If you go through your mental checklist, you will probably spot the pronoun
they. To whom does that pronoun refer? Even though there are a lot of plural nouns in the front half of the sentence,
they must refer to the start-up company, which is singular. Never mind that many people in spoken English refer to a large company as
they. On the GMAT, a singular noun needs a singular pronoun. That eliminates choices A, B, and C. To choose between D and E, look for a new error. That’s what you’ll find in choice D which uses both the words
previously and
in the past, creating a redundancy error.
The best answer is E.