Washington MAST (Mandatory Alcohol Server Training) Practice Exam 2024 - Free MAST Practice Questions and Study Guide.

This is because the body processes around one standard drink per hour on average. The other options are incorrect because the body does not eliminate multiple drinks per hour, and processing rates can vary based on factors such as gender, weight, and alcohol tolerance. Option B would suggest the body eliminates two drinks in an hour, which is not accurate. Option C and D would suggest even higher elimination rates, which is not typically the case. Therefore, option A is the most accurate answer based on general research and statistics.