Explanation:
mean impulse or no? it won't
It's a redundant sentence because it does not need to say "over and over" and "and repeated it. Also those two phrases are double negatives. It could also be called a run on sentence.
D. he didn't like the medium as no other comments could have stopped him.
I'd say D because I think I remember that being a big part of citing works. A could be correct too. I'd look up maybe basic MLA rules and see which ones comes up first. It kinda depends on what your teach emphasizes. Though I'm pretty confident it isn't B or C