You are in charge of a bake sale with large trays of fresh pastries and cookies. Everyone working is serving food and handling money so they cannot run to wash their hands and put on gloves between every sale. What are some other things to prevent bare hand contact?

A) Serve food with tongs or deli papers.
B) Use hand sanitizer frequently.
C) Wear disposable gloves at all times.
D) Encourage customers to serve themselves.