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
The following statements concerning chorda tympani nerve are true except that it? 
Select and explain. 
A. Carries secretomotor fibers to submandibular gland, B. Joins lingual nerve in infratemporal fossa, C. Is a branch of facial nerve, D. Contains postganglionic parasympathetic fibers
D: Contains postganglionic parasympathetic fibers
Answer: D: Contains postganglionic parasympathetic fibers 
Explanation: Chorda tympani nerve contains preganglionic parasympathetic fibers, not parasympathetic fibers. It synapses in the submandibular ganglion.