光化学烟雾是由哪两种污染物在日光强烈照射下形成的

A、烃类和NO[img=~/QImg/2013-10-14-11-46-19/image001.jpg]
B、烃类和SO[img=~/QImg/2013-10-14-11-46-19/image002.jpg]
C、NO[img=~/QImg/2013-10-14-11-46-19/image001.jpg]和CO
D、SO[img=~/QImg/2013-10-14-11-46-19/image002.jpg]和悬浮颗粒物
E、CO和CO[img=~/QImg/2013-10-14-11-46-19/image002.jpg]