A:CCl4可由CH4制得,可萃取碘水中的碘
B:石油和天然气的主要成分都是碳氢化合物
C:乙醇、乙酸和乙酸乙酯能用饱和Na2CO3溶液鉴别
D:苯不能使KMnO4溶液褪色,因此苯不能发生氧化反应
Yesterday, I came across my former classmate, but his name ________ me, which made me embarrassed.