Why Would Culture Shock Be a Useful State of Mind

Why would culture shock be a useful state of mind for a sociologist?

A) It makes us doubt our ability to function even in simple, everyday ways.
B) It requires us to travel, which helps us grow as human beings.
C) It scares us, and a sense of fear is a healthy thing for sociologists to have.
D) Shock is always good for thinking, because it sharpens the mind.
E) It makes us realize that we lack an understanding of our surroundings, so we are able to truly perceive what is right in front of us.