Can someone tell me if this is correct

Write a short paragraph explaining how to determine what information to put into a slide show presentation.

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.

Which from of the moderifier best completes the sentence of the 10 students? malcolm did on the quiz. best more better bestest better