Which statement best shows that mr. coates gives travis good advice about life?

a.
"papa had shown me how to tie a deer's feet together and pack it home across my shoulder, and i'd done it."

b.
"papa always put more stock in what color was inside a pup's mouth."

c.
"a big diamond-back rattler struck at papa and papa chopped his head off with one quick lick of his scythe."

d.
"like papa told me, every creature has to kill to live."