Solution and Explanation:
The Short run supply curve: In a perfectly competitive market, the supply curve is apportion of its rising part of the marginal cost curve. It lies above the minimum of the avergae varibale cost curve. Here, the average variable cost is $14. So, in this case, the short run supply curve would be the portion of the marginal cost curve lies above $14. thus, it should lie above $14.
Thus, the correct option from the given options is A.