通读下面短文，从题中所给的A、B、C三个选项中，选出最佳选项。

    Good manners are important. You need1at work and at school. You2need them at meals. At a nice3, remember some important manners. First, put your napkin on your lap. Do not leave it on the table. Eat your food4. Don't make any noise. Don't put your elbows on the table. That5polite. Take6bites of food and eat slowly. Use good manners, and everyone can7the meal.