Definitely C, because he's talking about how he's afraid to think of what he's done. I think A as well because saying he killed sleep probably implies that by killing another man, he also killed his inner peace, therefore making it so that he can no longer sleep.
Answer: In many communities, people are opting to use totes to carry groceries rather than using plastic bags. To help, I can avoid buying fruits in plastic packaging and recycling often.
