On the Basis of the Following Four Statements, Which Food

On the basis of the following four statements, which food worker is least likely to cut him/herself or another person in the kitchen.

A) John: "When I drop a knife, I try to catch it before it can land on my foot and cut it."
B) Mary: "When I wash my knives, I never soak them by putting them in the sink and covering them with water."
C) Luke: "I don't like to use very sharp knives because I am more likely to cut myself with a sharp knife than a dull one."
D) Ruth: "When I walk from one part of the kitchen to another with my knife, I hold it in front of me with the blade pointed away from me so that everyone can see I am carrying a knife."