An Indifference Curve Is Best Defined as

Multiple Choice

An indifference curve is best defined as

A) a boundary line between attainable and unattainable choices.
B) a concave curve that ranks preferred consumption bundles.
C) a boundary line defining production possibilities.
D) the set of all bundles that the consumer enjoys equally well.
E) the level of consumption where a consumer is indifferent to receiving more consumption.