Answer:
Was concerned because the potential for mouth to hand contamination
Explanation:
As one of the server does multiple tasks of wrapping the tableware, setting the napkins, opening the door as well as taking lunch breaks, hence he is at a high risk of carrying or spreading microorganisms with him. By multitasking and then eventually taking lunch in between he is at a high risk of hand to mouth infectious microorganisms transfer which can be fatal for him as well as other people.
The most appropriate would be D or A. I don't see how wearing different shoes would help the clients knees.
No; of course not! When you play a sport, whether you lose or win does very little compared to how you play and treat others. If you win, and tell another player they did horrible, or bring them down mentally in any way, you are being a poor sport.