The most cohesive concluding sentence is that of option C - "If community members do not get involved with watching their own neighborhoods, they might be vulnerable to major and minor crimes."
This sentence seems to wrap up an essay far better than any of the others, and can even serve as a thesis statement.
Options B and D seem to be good supporting points/ideas for body paragraphs, while option A could serve as a good hook for the introductory paragraph. Option C serves best as a concluding statement.
How could they pump her stomach because she had an overdose... From what I know... If you took overdose because of drugs.. It's either you die or you in hospital ;)
