A Pregnant Patient Complains of Nasal Stuffiness and Rapid Breathing

A pregnant patient complains of nasal stuffiness and rapid breathing.The clinician should recognize that:

A) Elevated progesterone directly stimulates the central respiratory center in pregnancy to enhance loss of CO2
B) Elevated estrogen and progesterone levels causes nasal edema
C) Elevated estrogen and progesterone cause nasal turbinate enlargement
D) All of the above