Answer:
we had sat in the classroom
Okay, so this is a little hard to answer when you do not have the excerpts, but I will try my best to work a answer out of the headings. I think your answer would be C. It makes sense, the info that comes after the titles, so If I were you I would go with C.
I hope that helps.
Its probably B
he claims they are just people who can't make a significant difference if they act so they should just stand down
it's my guess anyways