In Much of the World, the Thumb Up Sign Means

Multiple Choice

In much of the world, the thumb up sign means "O.K." But in Nigeria, Afghanistan, Iran, and parts of Italy and Greece it is an obscene insult and carries the same meaning as the middle finger in the U.S.This is an example of which type of communication barrier?

A) misperception
B) filtering
C) cultural
D) jargon
E) semantics