What Is an Indifference Curve

What is an indifference curve?

A) It is a curve that ranks a consumer's preference for various consumption bundles.
B) It is a curve that shows the total utility and the marginal utility derived from consuming a bundle of goods.
C) It is a curve that shows the combinations of consumption bundles that gives the consumer the same utility.
D) It is a curve that shows the trade -off a consumer faces among different combinations of consumption bundles.