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
Which of the following is a monoclonal antibody against IL-5 
Select and explain. 
A. Omalizumab, B. Mepolizumab, C. Tocilizumab, D. Alemtuzumab
B: Mepolizumab
Answer: B: Mepolizumab 
Explanation: Mepolizumab & Reslizumab are monoclonal antibodies against IL-5 used in bronchial asthma, which act by inhibiting recruitment of esinophils.