【单选题】According to the Laplace Law, if large and small alveoli are connected to each other, and their surface tension is equal, then ( )
A.
there’s high pressure in small alveolus, low pressure in large alveolus
B.
there’s low pressure in small alveolus, high pressure in large alveolus
C.
the pressure in large and small alveoli is equal
D.
during inspiration, gas mainly enters small alveolus
E.
during expiration, gas mainly comes from large alveolus