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
Propranolol can be used in all of the following conditions EXCEPT: 
Select and explain. 
A. Thyrotoxicosis, B. Variant angina, C. Migraine, D. Hypertension
B: Variant angina
Answer: B: Variant angina 
Explanation: None