Which of the following statements best explains why indifference curves are generally convex as viewed from the origin? A. The assumption of nonsatiation results in convex indifference curves. B. The...

Which of the following statements best explains why indifference curves are generally convex as viewed from the origin?

A. The assumption of nonsatiation results in convex indifference curves. B. The marginal rate of substitution of one good for another remains constant along an indifference curve. C. The marginal utility gained from one additional unit of a good versus another diminishes the more one has of the first good.