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
Red cell aplasia can be caused by : 
Select and explain. 
A. Aminoglycosides, B. Chloramphenicol, C. Penicillins, D. Ciprofloxacin
B: Chloramphenicol
Answer: B: Chloramphenicol 
Explanation: None