Which of the following is an evaluative thesis?

Select one:

a.Creating a painting and writing a poem are both alike and different.

b.Broccoli and brussel sprouts both offer high fiber, vitamin C, and iron, but differ in their appearances and flavors.

c.Both pigeons and crows live just about everywhere in the world, but the two birds look and behave differently.

d.Walking and running are both great forms of exercise, but running offers far more cardiovascular benefits.