Logic reading comprehension question

Human wars off and give the reason that they do not have seats or so much of natural herbivores, and therefore must only eat meat. humans may not have digestive equipment to each raw grass. They do know how to use teeth and digest a natural predator either. humans are as far removed from the wolf as from the cow. seeds, nuts, berries, leaves, and roots are the natural diet of humans’ closest relatives in the animal kingdom.
which one of the following best expresses the main conclusion of the above arguments?

a. there is no evidence ti support that humans must be carnivores
b. seeds, nuts, berries, leaves, and roots are humans’ natural diet
c. humans are no more like wolves than they are like cows
d. humans do not have the teeth or stomach to eat meat
e. eating meat is not natural for humans

can someone explain the reasoning behind?