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: Pathology
Horner's syndrome DOES NOT include 
Select and explain. 
A. Ptosis, B. Anhydrosis, C. Flushing, D. Mydriasis
D: Mydriasis
Answer: D: Mydriasis 
Explanation: Miosis, ptosis, anhydrosis, and flushing are a features of homer's syndrome.