C is the correct answer I believe
Emerson is making a claim that people often take natural phenomena such as stars for granted.
Hope this helps :)
If I were to read " Stop the Spread of Superbugs" I would ask " I would ask what are Superbugs and how did they start spreading in the first place?"
On the second one I would ask, "How would resisting antibiotics be a threat in 2013?", and " Was here a virus that started?"
I agree. While helping others with their problems, it really opens your eyes as to how good you really have it most of the time. As the saying goes, "you could always have it worse".
I think that this is a very good opening paragraph. I can clearly tell exactly what your writing piece will be about, and it definitely hooks me in as a reader... GOOD JOB!