Answer:
Smog is a mixture of fog and smoke. hope this is enough to help you with your question :)
The third omniscent point of view is when the narrator knows exactly what the character feels, thinks and acts. Taking this in viewpoint and looking over your question I would say option d is the answer.
D. indirect characterization
Indirect characterization is when the author reveals the traits of a character by the way the character speaks, thinks, effects others, acts, and looks. In this excerpt the character's traits are shown through his generosity to the drivers. He gives them each a pack of cigarettes and informs them about what is planned. Direct characterization is when the author specifically tells the reader the character's traits.