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
With which of the following theophylline has an antagonistic interaction ? 
Select and explain. 
A. Histamine receptors, B. Bradykinin receptors, C. Adenosine receptors, D. Imidazoline receptors
C: Adenosine receptors
Answer: C: Adenosine receptors 
Explanation: Ans. is 'c' i.e., Adenosine Receptors