Do you enjoy _____ music or classical music? don't think classical music has ever appealed to me. [ ]

A. temporary

B. universal

C. contemporary

D. environmental

对生产、生活中可能引发火灾威胁公共安全的危险行为，县级以上人民政府公安机关可以（）。有关单位、个人必须遵守。