【Daily Question】October 19, 2016 – Participate to earn +2 wealth； +3 to +10 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 members certain financial rewards. 【Daily Question】 (Single-choice question) The octane rating of gasoline is related to its hydrocarbon composition; generally speaking, ( ). A. Gasoline with a high content of paraffinic hydrocarbons, high octane rating ； B. Gasoline with a high content of isoparaffins and aromatic hydrocarbons has a high octane rating. C. Gasoline with a high content of n-alkanes has a high octane rating. D. Gasoline with a high content of cycloalkanes has a high octane rating. Standard answer: B. Reply with your answer in the post; you will earn +2 wealth points for participating in the quiz. If you answer all questions correctly, you’ll get an additional +3 to +8 wealth points. Extra rewards will be given if you provide a thorough analysis and explanation of the questions or answers, or if you include 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.