Revealed Preferences Tells Us That If Basket $A$ Costs Less Than Basket

Multiple Choice

Revealed preferences tells us that if basket $A$ costs less than basket $B$ but the consumer chooses $B$ instead of $A$ , then we know that:

A) $A$ is strictly preferred to $B$ .
B) $A$ is at least as preferred to $B$ .
C) $B$ is strictly preferred to $A$ .
D) $B$ is as least as preferred to $A$ .