Answer: A well developed plot
Explanation:
A well developed plot draws a reader in and make the story interesting.
Answer: C) “A Modest Proposal” is one of the most brilliant, well-constructed, and effective satires ever written.
Explanation: something subjective is something based on or influenced by personal feelings, tastes, or opinions (it is the antonym of objective). From the given options, the sentence about Swift's "A Modest Proposal" that is written subjectively, is the corresponding to option C: “A Modest Proposal” is one of the most brilliant, well-constructed, and effective satires ever written, because the speaker is based on his opinion.