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: Pharmacology
All of the following drugs are non-selective β blockers with no pharmacological action on any other receptor, EXCEPT: 
Select and explain. 
A. Propranolol, B. Timolol, C. Sotalol, D. Carvedilol
D: Carvedilol
Answer: D: Carvedilol 
Explanation: None