Which Statement About Lung Ventilation in Humans Is True

Which statement about lung ventilation in humans is true?

A) Lung deflation requires sufficient force to overcome the elasticity of lung tissue and the surface tension in the alveoli.
B) When stretched, certain cells within the alveoli release surfactant.
C) Surfactant increases the surface tension of a liquid.
D) Surface tension results from the attractive forces between air and water molecules.
E) Premature babies suffer from respiratory distress syndrome because cells in their alveoli produce too much surfactant, which clogs the lungs.