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: Pharmacology
[{'content': 'Antacid combination of magnesium and aluminium hydroxide are superior because: \nSelect and explain. \nA. Rapid and sustained acid neutralizing property, B. Less effect on gastric emptying, C. Likely to alter bowel movement, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D. All of the aboveMagnesium is rapid and aluminium act for long period of time. Magnesium salt causes osmotic diarrhea and aluminium salts causes constipation.', 'role': 'assistant'}]