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': 'Which of the following statements is true about new formula WHO–ORS? \nSelect and explain. \nA. It has Na+ ion concentration of 75 mM/L, B. Its glucose concentration is 75 mM/L, C. Its total osmolarity is 245 mOsm/L, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]