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
Spirolactone is contraindicated with enalapril because it causes : 
Select and explain. 
A. Hyperkalemia, B. Hypercalcemia, C. Hypernatremia, D. Hypokalemia
A: Hyperkalemia
Answer: A: Hyperkalemia 
Explanation: None