Imagine that you are monitoring a test subject's blood.The pH of the blood is steadily decreasing,while the carbon dioxide levels are steadily increasing.What do you predict will occur?

A)As soon as oxygen levels decrease,the brain will stimulate an increase in the breathing rate.
B)Because of the increase in carbon dioxide levels,the brain will stimulate an increase in the breathing rate.
C)Because of the increase in carbon dioxide levels,the blood will decrease its affinity for oxygen.