C. However, most marching band members also get a great amount of exercise and establish lifelong friendships.
Explanation:
If we are to choose a rebuttal, that means we are going to choose something that contradicts the counterclaim, that tries to prove it wrong. According to the counterclaim, some people say that marching bands have only one benefit: to teach students how to play an instrument. If we wish to contradict that, we need to choose the option which says there are more benefits than just that one, and which lists at least a couple of those benefits. That is precisely what letter C does. It argues that, besides teaching them how to play an instrument, marching bands also help students exercise and make friends. Therefore, letter C is the best option.
In the first two sentences, Sinclair implies that the meat industry is very corrupt. He is preparing to reader for his accusations against the industry
