To not go and kiss underage children
A tint is a mixture with White, so C.
If you are asking/wondering if this affected their business(ess) then I would have to say yes. I said yes because it says "Many US restaurant companies struggled to avoid heavy losses." (key word(s) is/are Avoid and Struggled to) which means some of them, including McDonalds probably did avoid this and some other McDonald's didn't avoid this.
(hope I answered this for you and if so I hope I did a good job)
The correct answer is A. Guests help themselves from a buffet table. This is however a changed version of the original French service which changed over the years. All of the food is presented at the same time and the people choose whatever they wish to eat.
it really depends on what tab/chord youre playing, but im pretty sure it would be C or D