How does it work? I dont understand the answers and how it is asking the question.

Which of the following best explains why the author chose the compare-and-contrast structure for paragraph 2

In a group discussion, which statement most clearly uses evidence to support a conclusion? a) the author makes some good points, but i feel that he’s ultimately biased. b) the author proves that he’s biased when he uses terms like “silly” and “stupid”. c) the author obviously hates the way fast food tastes, which is why he’s negative. d) the author first criticizes fast food, and then goes in to criticize junk food.

What are two reasons why hamlet has for making the request of the actors? (hamlet)