Many Economists Consider Medical Care a Superior Good

Many economists consider medical care a superior good. Which of the following statements is true regarding a superior good?

A) Consumers want more of a superior good regardless of its price.
B) When the price of a superior good increases, consumers demand more of it.
C) As consumer income increases a larger percentage of that income is spent on superior goods.
D) A superior good has an income elasticity of demand greater than one.
E) Both c and d are true of superior goods.