In Type I Diabetes, High Levels of Ketone Bodies Are

In Type I diabetes, high levels of ketone bodies are liable to result in acidosis because:

A) The brain consumes very large amounts of acetoacetate.
B) The kidneys excrete large amounts of protonated ketone bodies.
C) The ketone bodies are acids, but the triglycerides from which they are formed are not.
D) Ketone bodies combine with circulating plasma bicarbonate.
E) Ketone bodies increase the urinary excretion of protons.