In Hopkins' "Spring and Fall" what does the "blight man was born for" mean in the context of the poem?

a
A man's nature is to bring war / savagery.
b
God made men strong to care for women.
c
Margaret will grow older and no longer weep for the falling leaves of Fall.
d
All of mankind will die.

c - Margaret will grow older and no longer weep for the falling leaves of Fall.