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: Medicine
Proteins elevated in the plasma in myocardial infarction 
Select and explain. 
A. Troponin T, B. Troponin H, C. Troponin K, D. Troponin M
A: Troponin T
Answer: A: Troponin T 
Explanation: None