Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

Suppose a bond's price is expected to increase by 5% if its market discount rate decreases by 100 basis points. If the bond’s market discount rate increases by 100 basis points, the bond price is most likely to change by:
Option A:5%.
Option B:less than 5%.
Option C:more than 5%.

Answer: B