The reason the elasticity and surface tension of the lungs do not cause the lungs to collapse between exhalation and inhalation is because
A. The intrapulmonary pressure is higher than the atmospheric pressure.
B. The intrapleural pressure is less than the intrapulmonary pressure.
C. The intrapulmonary pressure is less than the atmospheric pressure.
D. The intrapleural pressure is greater than the atmospheric pressure.
E. More than one of the above.