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': 'Drug A, has Bioavailabity of 80% volume of distribution is 10 L, Calculate the loading dose to be given to achieve plasma concentration of 0.6 mg/L \nSelect and explain. \nA. 0.75 mg, B. 0.48 mg, C. 7.5 mg, D. 48 mg', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]