Context: But until then , all I had was east and the hot pavement beneath my feet . My sweat was steaming off my shirt and I grabbed the collar and flapped it to let some air in but it did nothing to help . The air was choking and I knew that if I lit up a cigarette my lungs would be in a fiery , wet hell .

Question: What might I have done with my cigarette urge ?
Options:
0. None of the above choices .
1. I might have held it off until I can stop choking .
2. I might have held it off until I can get out of the heat .
3. I might have held it off until I can stop sweating .
Answer: 2