Arterial PH of 7 $\mathrm{PCO}_{2}$ Of $30 \mathrm{~mm} \mathrm{Hg}$ , and Decreased Urinary Excretion Of

Arterial pH of 7.25, arterial $\mathrm{PCO}_{2}$ of $30 \mathrm{~mm} \mathrm{Hg}$ , and decreased urinary excretion of $\mathrm{NH}_{4}{ }^{+}$ would be observed in a

A) patient with chronic diabetic ketoacidosis
B) patient with chronic renal failure
C) patient with chronic emphysema and bronchitis
D) patient who hyperventilates on a commuter flight
E) patient who is taking a carbonic anhydrase inhibitor for glaucoma
F) patient with a pyloric obstruction who vomits for 5 days
G) healthy person