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 is absorbed rapidly in the following form \nSelect and explain. \nA. Aqueous solution, B. suspension, C. Oily solution, D. solid form', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]