Use the Following Statements to Answer This Question

Use the following statements to answer this question:
I. A price-consumption curve is derived by varying the price of asparagus. If the price-consumption curve is an upward sloping straight line, the demand curve for asparagus must be downward sloping.
II. Fred consumes only food and clothing. Fred's Engel curve traces out the utility maximizing combinations of food and clothing associated with each and every income level.

A) I and II are true.
B) I is true, and II is false.
C) I is false, and II is true.
D) I and II are false.