单选题
编号：2685948
1. Why is the price/yield profile of a callable bond less convex than that of an otherwise identical option-free bond? The price:
- A.Increase is capped from above,at or near the call price as the required yield decreases.
- B.Increase is capped from above,at or near the call price as the required yield increases.
- C.Decrease is limited from below,at or near the call price as the required yield increases.