Use the Figure Below to Answer the Following Questions

Multiple Choice

Use the figure below to answer the following questions.

Figure 16.2.1
-Refer to Figure 16.2.1.The figure shows the private marginal cost curve,the social marginal cost curve and the market demand curve.If the market is unregulated,then

A) the quantity produced is efficient but price is too low.
B) the quantity produced is less than the efficient quantity.
C) the quantity produced is greater than the efficient quantity.
D) the quantity produced is efficient but the price is too high.
E) the externality is eliminated.