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
Cough is an adverse reaction with intake of ? 
Select and explain. 
A. Enalapril, B. Prazocin, C. Nifedipine, D. Thiazide
A: Enalapril
Answer: A: Enalapril 
Explanation: Ans. is 'a' i.e., Enalapril Bradykinin and substance P are also substrate (in addition to angiotensin - I) for ACE. By inhibiting ACE, enalapril inhibits degradation of Bradykinin and substance Pin the lung, which are responsible for cough and angioedema.