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: Forensic Medicine
Which of the following is the most reliable method of estimating blood alcohol level? 
Select and explain. 
A. Cavett's test, B. Breath alcohol anaylzer, C. Gas liquid chromatography, D. Thin layer chromatography
C: Gas liquid chromatography
Answer: C: Gas liquid chromatography 
Explanation: C i.e. Gas liquid chromatography Gas chromatography is most desirable method of alcohol estimation for medicolegal purposeQ