【Daily Question】June 3, 2016: +2 Wealth for participation； +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 offering rewards in the form of financial benefits to users. 【Daily Question】 (Single-choice question) When starting a gas chromatograph, if a thermal conductivity detector is used, the following steps are required: 1. Turn on the carrier gas ； 2. Heating of the gasification chamber ； 3. Heating up the testing room ； 4. Column temperature rise ； 5. Bridge-opening current ； 6. When starting the recorder, the sequence of operations in (　　) below is absolutely not allowed. A、 2→3→4→5→6→1 B、 1→2→3→4→5→6 C、 1→2→3→4→6→5 D、 1→3→2→4→6→5 Standard answer: A. Reply with your answer in the comments; you will receive +2 wealth points for participating in the quiz. An additional +3 to +8 wealth points will be given if you answer all questions correctly. Extra wealth points will also be awarded if you provide a thorough analysis and explanation of the questions or answers, including detailed calculation processes. 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.