【Daily Question】July 14, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers

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To increase the popularity of the chemical analysis section, a \"One Question per Day\" campaign has been launched to foster an active atmosphere for technical exchanges while also providing financial rewards to users. 【Daily Question】 (Single-choice question) In gas-liquid chromatography, the maximum operating temperature of the chromatographic column depends on (　). A. The boiling point of the component with the highest boiling point in the sample B. The average boiling point of all components in the sample C. The boiling point of the stationary phase D. The maximum allowable operating temperature for the stationary phase. Answer: D. Please reply with your answer; participating in the quiz earns you +2 points. Those who get all answers correct will receive an additional +3 to +8 points. Those who provide a thorough analysis or explanation of the question and answers, or include detailed calculation processes, will receive extra points as a reward. If your answer is correct and your analysis is accurate, it will be marked as the best reply (or the best assistance). Feel free to answer the questions.