The correct answer is: B. too many Irish living in poverty.
In his recognized essay, A Modest Proposal, Swift tackles the terrible social problem that Ireland was suffering: poverty and, with it, the heavy prejudice against poor people that social inequality had generated. Using a rather unusual approach to shock the audience (suggesting that poor parents should sell their kids in the meat market or even eat them), he engages the subject head-on.
The ideas that is most closely
related to the theme in these lines are ‘It is the law of life: one takes, then
one hands over to another in one's turn. But that does not mean we obey the law
readily and willingly.’