A.
Capillaries, respiratory bronchioles, alveolar ducts, alveoli
B.
Pharynx, bronchi, alveolar ducts, larynx
C.
Pharynx, nasal cavity, trachea, bronchi
D.
Respiratory bronchioles, alveoli, trachea, nasal cavity
E.
Capillaries, respiratory bronchioles, trachea, bronchi