A Downward-Sloping Demand Curve for Beef Implies That

A downward-sloping demand curve for beef implies that:

A) as the price of beef rises, consumers may substitute other meats for beef.
B) as the price of beef rises, consumers buy more beef because they can afford less of other
C) as the price of beef falls, consumers substitute other meats for beef.
D) as the price of other meats increases, consumers will buy less beef.