This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Tricyclic antidepressants can alter the oral absorption of many drugs by \nSelect and explain. \nA. Complexing with other drugs in the intestinal lumen, B. Altering gut motility, C. Altering gut flora, D. Damaging gut mucosa', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Alter gut motility Ref: KDT 6/6 pg 14,411', 'role': 'assistant'}]