If a Consumer's Income Increases and If All Goods Are

Multiple Choice

If a consumer's income increases and if all goods are normal goods,

A) the quantity bought of each good decreases.
B) the quantity bought of some normal goods increases and of other normal goods decreases,but we can't make an accurate prediction.
C) some goods become inferior because it isn't possible to buy all goods.
D) the quantity bought of each good increases.
E) the supply of all goods increases and the marginal utility from all goods decreases.