As the reintroduced red kite population has grown across

Question

As the reintroduced red kite population has grown across southeastern England, biologists have become increasingly convinced that  without their help, they would not have survived .

(A) without their help, they would not have survived
(B) without help, it would not have survived
(C) without their help, it would not have survived
(D) without help, they would not have survived
(E) without help, the birds would not have survived

temp33 · Answer

IMO E.. 
Its the choice that is best clear of all the pronouns..

tingle15 · Answer

As the reintroduced red kite population has grown across southeastern England, biologists have become increasingly convinced that  without their help, they would not have survived.

(A) without their help, they would not have survived -->  the antecedent of "they" here is biologists and so incorrect. 
(B) without help, it would not have survived -->  the antecedent of "it" here is "red kite population". The red kite population would not have survived seems incorrect. Its the birds that would not have survived without help 
(C) without their help, it would not have survived -->  same as b 
(D) without help, they would not have survived -->  same as a 
(E) without help, the birds would not have survived -->  the option clearly states that the birds would not have survived without help

sridhar · Answer

Thanks tingle15.. Understand it now.. I opted for C

hirendhanak · Answer

As the reintroduced red kite population has grown across southeastern England, biologists have become increasingly convinced that without their help, they would not have survived.

(A) without their help, they would not have survived == ambiguity on whom does they refer to... wrong
(B) without help, it would not have survived == correct choice
(C) without their help, it would not have survived == wong usage of it 
(D) without help, they would not have survived == population is singular.
(E) without help, the birds would not have survived == no where it is mentioned that we are talking about birds , so its wordy.

I will go with B... pls correct me if i am wrong.

praveenism · Answer

@hirendhanak : B is incorrect, because "it" refers to Population.We are not saying that population has survived. There is no noun existing in the sentence which can survive( Remember Dangling Modifier:) ). Here, we need to introduce the subject which can survive.
I hope I am able to explicate a bit.

Pavle · Answer

It's third conditional ans hence answer is E

gauravnagpal · Answer

hi ..
I go with E ...I reckon it is a case of resumative modifier ..hence we need to reintroduce the subject -"birds"

As the reintroduced red kite population has grown across

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