单项选择题
A、正构烷烃＞异构烷烃＞单环环烷烃＞双环环烷烃＞双环芳香烃＞单环芳香烃 B、异构烷烃＞正构烷烃＞双环环烷烃＞单环环烷烃＞双环芳香烃＞单环芳香烃 C、单环芳香烃＞双环芳香烃＞单环环烷烃＞双环环烷烃＞正构烷烃＞异构烷烃 D、正构烷烃＞异构烷烃＞单环环烷烃＞双环环烷烃＞单环芳香烃＞双环芳香烃
A、环烷烃 B、芳香烃 C、正构烷烃 D、正构烯烃