Answer:
Answers A and B both prove the point of the question.
the sentence that contains the main idea is that "chocolate has been found to be a cause of weight gain."
the paragraph is pointing out the fact that it has been <em>found </em>to cause weight gain but the paragraph goes on to say that some of the researchers don't dive deep enough.
i hope that was helpful :D
C. Program
Because camp is an adjective saying what kind of program the kids are in.
Narrator feels saddened because "A flow of disappoint rushed across my mind." The creature felt amused because "He came straight up to me and laughed into my eyes."
Hope this helps, if you have any other questions please do ask :)
