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
[{'content': 'This inhibitor of bacterial protein synthesis has a narrow spectrum of antibacterial activity. It has been used in the management of abdominal abscess caused by Bacteroides fragilis, but antibiotic-associated colitis has occurred. Which of the following drugs is being described? \nSelect and explain. \nA. Clarithromycin, B. Clindamycin, C. Minocycline, D. Ticarcillin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]