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
Carisoprodol activation forms which of the following metabolites: 
Select and explain. 
A. Amphetamine, B. Doxylamine, C. Dimethadione, D. Meprobamate
D: Meprobamate
Answer: D: Meprobamate 
Explanation: Meprobamate