The Advantage of Domperidone Over Metoclopramide Is That It

The advantage of domperidone over metoclopramide is that it:

A) crosses the blood-brain barrier readily so it has more central side effects.
B) doesn't readily cross the blood-brain barrier so has fewer central side effects.
C) crosses the blood-brain barrier readily so a smaller dose is required for the same antiemetic effects.
D) is safe for pregnant women in the first trimester.