According to Smith's Theorem,which of the Following Statements Would Be

According to Smith's theorem,which of the following statements would be true in medical markets for thoracic surgery?

A) When demand for thoracic surgery is high, the market will not support a specialized surgeon
B) When demand for thoracic surgery is low, the market will not support a specialized surgeon
C) The average cost curves for thoracic and general surgeons are both upward sloping
D) The cost curve for a thoracic surgeon will start out lower than the cost curve for a general surgeon due to the greater investment of time
E) General surgeons incur lower training costs than do thoracic surgeons and are thus more efficient in performing thoracic surgery