It is c i believe ... yep its c
Teenagers are usually exposed to those kind of ads one social media sometimes or posters on some convenience stores. Most social media ads are against tobacco products now, but there are some teenagers who choose to ignore the warning and do the opposite. On convenience stores the posters they have on the wall usually promote the tobacco products so people buy them so the store it self is making money.
Away from stressful events
Probably A (?) Because the chef is using more than required, meaning it'll cost more to make.