With no explanation, chose the best option from "A" or "B". Kristin realizes that she has much dirt stuck under her fingernails after working in her yard all day. Kristin wants to make a spaghetti dinner for her family.

A: Kristin quickly puts some spaghetti in a pot without washing her hands first.
B: Kristin washes her hands thoroughly before she puts the spaghetti in the pot.
B.