What's the indefinite pronoun in this sentence? many of the people who saw the movie didn't like it

What does manns conclusion in "coming of age in the dawnland" indicate about how the settlements and people of sixteenth-century new england reacted to the increasing presence of europeans?

Can someone me with this english question

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.