Which pronoun correctly replaces the underlined word in the sentence?

the man's favorite color is yellow.

a.
his
b.
their
c.
our

Read the excerpt from julius caesar, act 1, scene 1. marullus. wherefore rejoice? what conquest brings he home? what tributaries follow him to rome to grace in captive bonds his chariot wheels? you blocks, you stones, you worse than senseless35 things! o, you hard hearts, you cruel men of rome, knew you not pompey? many a time and oft have you climbed up to walls and battlements, to towers and windows, yea, to chimney-tops, your infants in your arms, and there have sat40 the livelong day, with patient expectation, to see great pompey pass the streets of rome. which summary of the passage is the best? marullus asks a lot of questions, such as, “why celebrate? what has caesar done? who is following him to rome? don’t you remember pompey? ” then he says that everyone is cruel because they do not remember pompey. they forget how they praised him and would climb to the highest places, carrying their children, just to catch a glimpse of him. marullus regrets that the people are celebrating caesar and is insulted that they forgot how they used to praise pompey. marullus thinks that the people should celebrate caesar the way they used to celebrate pompey, and that they should be in awe of caesar’s greatness. marullus remembers how the people climbed walls, battlements, towers, windows, and even chimney tops to see the great pompey.

When lawrence saw the posters for the circus hanging on the bulletin board, as he swept up the trimmings at slim's barbershop, he knew he would be taking his little cousins. they loved animals, and he was looking forward to seeing the smiles on their faces as the circus performers amazed them with their stunts. but sweeping up hair clippings didn't pay a whole lot. lawrence spent 45 dollars just getting tickets. but it was worth it to see his cousins' faces. the day finally came and everyone was excited as they walked into that big circus tent. but lawrence soon realized that he and his cousins would be thirsty and hungry. as they sat in their seats, the drink vendor walked by selling beverages. desperately thirsty, lawrence asked him how much a lemonade would cost, and the drink vendor said, "eleven dollars each." lawrence replied, "oh, that's it? just eleven dollars? what a great deal for one cup of lemonade. that's totally worth it." the drink vendor walked away. which type of irony is used?

Pls, i really need on this question?