This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Physiology
[{'content': 'Catecholamines \nSelect and explain. \nA. Decrease gut contraction, B. Bronchoconstriction, C. Decrease plasma glucose, D. Inhibit lipolysis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Catecholamines decrease the motility and contraction of GIT REF.Textbook of physiology by AK Jain 7th edition page no.742', 'role': 'assistant'}]