Which of the Following Statements Pertaining to Differences in Cultures

Which of the following statements pertaining to differences in cultures across the world is true?

A) Patting a child on the head is a grave offense in Thailand or Singapore, since the head is revered as the location of the soul.
B) In an Oriental culture, touching another person is considered a sign of warmth and friendship.
C) Carrying on a conversation with your hands in your pockets makes a good impression in France, Belgium, Finland, and Sweden.
D) It is rude to leave anything on your plate when eating in Egypt.