As You Move from Sitting in Class to Riding Your

As you move from sitting in class to riding your bike to your next class, what happens to your metabolic rate and levels of oxygen consumption?

A) Oxygen consumption and metabolic rate will both increase.
B) Oxygen consumption and metabolic rate will both decrease.
C) Oxygen consumption will increase and metabolic rate will decrease.
D) Oxygen consumption will increase and metabolic rate will increase.
E) Oxygen consumption and metabolic rate will remain constant.