该污染事件可能的污染物是

A、CO、SO[img=~/QImg/2013-10-14-11-50-56/image001.gif]
B、颗粒物、SO[img=~/QImg/2013-10-14-11-50-56/image001.gif]
C、O[img=~/QImg/2013-10-14-11-50-56/image005.gif]、SO[img=~/QImg/2013-10-14-11-50-56/image001.gif]
D、甲醛、O[img=~/QImg/2013-10-14-11-50-56/image005.gif]
E、NO[img=~/QImg/2013-10-14-11-50-56/image001.gif]、碳氢化合物