单选题 An investor wishes to short sell 500 shares of McDonald Corporation. The shares open lower at $14.50 and the next five transactions are $14.00, $14.00, $13.50, $14.25, and $14.50. The lowest price at which the order can be executed is:

• A. $14.25.
• B. $13.50.
• C. $14.00.