A Client Diagnosed with Major Depressive Disorder Asks, "What Part

A client diagnosed with major depressive disorder asks, "What part of my brain controls my emotions?" Which nursing response is appropriate?

A) "The occipital lobe governs perceptions, judging them as positive or negative."
B) "The parietal lobe has been linked to depression."
C) "The medulla regulates key biological and psychological activities."
D) "The limbic system is largely responsible for one's emotional state."