If you have a morsel of food lodged in your teeth and you want to remove it, you:
A.
Take your knife when no one is looking and remove the morsel promptly with the blade
B.
Raise your napkin to your mouth and discreetly use a sugar packet or your business card to remove the morsel
C.
Politely ask your server for a toothpick
D.
Excuse yourself and go to the restroom to pick your teeth in private