Which of These Statements Does NOT Correctly Describe Alveoli

Which of these statements does NOT correctly describe alveoli?

A) Alveoli are the sites of gas exchange in the lungs.
B) Alveoli are very thin and are surrounded by a network of capillaries so that air and blood are separated by a very thin barrier.
C) Alveolar Type II cells secrete pulmonary surfactant.
D) Interdependence of alveoli refers to air flow between adjacent alveoli through the pores of Kohn.