C because the other two are possessive and C is plural. (The apostrophes aren't needed)<span />
Answer:
Should be "Dante Alighieri"
Explanation:
The art of effective or persuasive writing, specifically that of which uses figures of speech, I believe.
"Because their words had forked no lightning they" - iambic pentameter
"A lonely impulse of delight" - iambic tetrameter
"No likely end could bring them loss" - iambic tetrameter