Please answer the question based on the following passage. You need to choose one letter from the given options, A, B, C, or D, as the final answer, and provide an explanation for your choice. Your output format should be ###Answer: [your answer] ###Explanation: [your explanation]. ###Passage:A company has a 6-story office building.The company's finance department, planning department, administration department, sales department, human resources department, and research and development department work here, and each department occupies one of the floors.Known? (1) The two floors of the human resources department and the sales department are not adjacent; (2) The finance department is on the next floor of the planning department; (3) The floor of the administrative department is above the planning department, but in the manpower Below the Resources Department. ###Question:Which of the following may be the two departments where the first and second tiers are located? ###Options: (A)Finance Department, Sales Department (B)Planning Department, Sales Department (C)R & D Department and Sales Department (D)Sales Department, Planning Department Respond with at most 400 words.
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