Here is a website that will help you find the answer and understand the poem as well...
http://www.sparknotes.com/poetry/hopkins/section4.rhtml
If you do not wish to visit the site I believe the answer is A.
Because she is mourning her own mortality, because man is mortal.
My answer is maybe a noun? I'm not sure
I expected it to end with none of the humans turning out to be ailen after all. I thought that maybe there was aliens, but they were messing with the people of the town to make them push the blame on eachother.
Aunt which your mother's sister
also could be labeled as
aunt on the mothers side