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
Examples of physiological antagonism is: 
Select and explain. 
A. Adrenaline and salbutamol., B. Adrenaline and histamine., C. Salbutamol leukotrienes., D. Both BC
D: Both BC
Answer: D: Both BC 
Explanation: None