Which One of the Following Represents a Common Environmental Influence

Which one of the following represents a common environmental influence on eating behaviours?

A) Eating while performing hard physical work.
B) Socializing with strangers during a meal often leads to reduced food intake.
C) Having to walk to the grocery store to purchase food before preparing it.
D) Being in a pleasant atmosphere often lengthens the time of the meal but not the amount of food eaten.