单项选择题
A.500 B.109 C.328.50 D.106.9
A.芳香烃>环烷烃>烷烃 B.环烷烃>芳香烃>烷烃 C.烷烃>环烷烃>芳香烃
A.环烷烃>芳香烃>烷烃 B.芳香烃>环烷烃>烷烃 C.芳香烃>烷烃>环烷烃 D.烷烃>芳香烃>环烷烃