This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
The half-life of Amiodarone is 
Select and explain. 
A. 3-8 min, B. 3-8 hours, C. 3-5 weeks, D. 3-8 weeks
D: 3-8 weeks
Answer: D: 3-8 weeks 
Explanation: After oral administration, amiodarone only has a bioavailability of 30%. It also has a half-life of approximately 50 days, so it can take weeks for therapeutic effects to appear.