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
Margaret will grow older and no longer weep for the falling leaves of Fall.
c
All of mankind will die.
d
God made men strong to care for women.

b

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