In a Budget Line/indifference Curve Diagram, at the Consumer Equilibrium

Multiple Choice

In a budget line/indifference curve diagram, at the consumer equilibrium

A) any movement upward or downward on the budget line will move the consumer to a less preferred point.
B) any movement to the northeast to higher indifference curves moves the consumer to a less preferred point.
C) the slope of the budget line is as much larger as possible than the marginal rate of substitution.
D) All of the above statements are correct.