This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Smiling and frowning are actions produced by the following nerves: 
Select and explain. 
A. Mastication; trigeminal (V cranial), B. Mastication; facial (VII cranial), C. Facial expression; trigeminal (V cranial), D. Facial expression; facial (VII cranial)
D: Facial expression; facial (VII cranial)
Answer: D: Facial expression; facial (VII cranial) 
Explanation: None