According to the passage a demographic is

Choice B is the best answer. According to the passage, Emma had “a disposition to think a little too well of herself” (line 30). Thinking a “little too well of herself”.

Explanation:

The question revolves around Jonathan Swift's A Modest Proposal where Swift criticizes the English government in the lights of the poor lives of Irish people. He ironically proposes Irish can solve their food problems by selling their children. Swift lashed out to the economic policy of the government. However, he himself does not put any economical solution. He only just uses satire in order to convey the truth.