【Daily Question】Production, Storage, and Transportation - 1.22

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One question per day on the production, storage, and transportation version; 5 wealth points are awarded for correct answers； Effective participation grants 2 units of wealth ； Extra points will be given to those who provide a reasonable solution first. Multiple-choice question: To make full use of precious oil resources, oil needs to be processed once and then again. The processing methods include atmospheric distillation and vacuum distillation ； The main methods of secondary processing include (      ) etc.                       A. Catalytic reforming, catalytic cracking, hydrocracking, and coking B. Catalytic reforming, catalytic cracking, catalytic conversion C. Catalytic reforming, catalytic cracking, delayed coking D. Catalytic reforming, catalytic cracking, delayed coking. Answer: A. Catalytic reforming, catalytic cracking, hydrocracking, and coking