There is a new problem involved in the popularity of private cars _____ road conditions need _____. [ ]

A. that …to be improved

B. which …to be improved

C. where…improving

D. when…improving

有旷工行为的，给予警告处分；旷工1天或者12个月内有第二次旷工行为的，给予记过处分；连续旷工2天及以上或12个月内累计旷工3天及以上的，给予开除处分。