In a Preference Map,consumption Combinations on Higher Indifference Curves

In a preference map,consumption combinations on higher indifference curves

A) always cost more than any combination on a lower indifference curve.
B) always are preferred to combinations on lower indifference curves.
C) always cost less than any combination on a lower indifference curve.
D) always are less preferred than combinations on lower indifference curves.
E) are sometimes more preferred, sometimes less preferred, and sometimes equally preferred than any combination on a lower indifference curve.