Which of the Following Best Describes What You Would Observe

Which of the following best describes what you would observe in an individual who doesn't use addictive drugs and who has normal dopamine signaling?

A) moderate dopamine production,many dopamine receptors,some receptors empty
B) moderate dopamine production,many dopamine receptors,all receptors filled
C) high levels of dopamine production,few dopamine receptors,all receptors filled
D) high levels of dopamine production,many dopamine receptors,all receptors filled
E) moderate dopamine production,few dopamine receptors,some receptors empty