As More Bananas Are Consumed, Other Things Constant, Marginal Utility

Multiple Choice

As more bananas are consumed, other things constant, marginal utility tends to decrease at:

A) the same rate for all people.
B) the same rate for all goods for a given person.
C) the same rate for all people
D) different rates for different people and for other goods.
E) different rates for different people, but at the same rate as other goods.