Which of the Following Is the Best Example of an Action

Multiple Choice

Which of the following is the best example of an action based on a tacit cultural rule for members of U.S.society?

A) chewing with one's mouth closed
B) driving on the right side of the street
C) giving your father "his" chair in front of the family television
D) moving to the opposite side of an elevator when there is only one other person in it