Why Does Steinbock Discuss Williams's Argument That Animals' Capacity to Feel

Multiple Choice

Why does Steinbock discuss Williams's argument that animals' capacity to feel pain and affection justifies giving their interests equal consideration?

A) Steinbock agrees with Williams's conclusion but rejects his premises.
B) Steinbock disagrees with Williams's claim that animals have this capacity.
C) Steinbock argues against the claim that animals' capacity to feel pain entails equal consideration of their interests.
D) Steinbock uses Williams's argument to object to Singer's argument.