TSA 2017 Q33 Strengthening Argument

The correct answer is C, but can someone explain why?

I understood the main point of this paragraph is that reducing new population is crucial to reduce energy consumption, then how does the fact that there are unwanted babies strengthen the argument?

33 Couples who have more than two children are being ‘irresponsible’ by creating an unbearable burden on the environment, the government’s Sustainable Development adviser has warned. The adviser says that curbing population growth through contraception must be at the heart of policies to fight global warming. Political leaders and ‘green’ campaigners should stop dodging the issue of environmental harm caused by an expanding population. Each baby born in the UK will, during his or her lifetime, burn carbon roughly equivalent to 22 acres of woodland - an area the size of Trafalgar Square. The UK population, now 62 million, will exceed 70 million by 2028. On average, women born outside the UK have 2.5 children compared with 1.7 for those born in the UK. The global population of 7 billion is expected to rise to 9.2 billion by 2050. Governments of both developed and developing nations must act to limit family size if they are serious about reducing energy consumption.

Which one of the following, if true, most strengthens the above argument?
A) Large families are the norm in many developing nations, often for good economic reasons.
B) Methods of reducing carbon footprint by other means are being developed.
C) Many babies are born to men and women who did not intend or wish to become parents.
D) Governments of developed nations will meet fierce resistance to plans to limit family size.
E) Many men and women are unable to have children.


one of the main arguments is “curbing population growth through contraception must be at the heart of policies”
with option C), if many parents do not wish to become parents then implementing birth control measures would in fact be an effective way of reducing over population.

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