Explanation:

Option 3 is correct. Moving your head, face and eyes away from another person are the signs nervousness in a person which means he has low self-confidence. The concept of self-confidence is commonly used as self-assurance in one's personal judgment, ability, power, etc. One's self confidence increases from experiences of having satisfactorily completed particular activities. It is a positive belief that in the future one can generally accomplish what one wishes to do.