J. D. gets very upset when he misses a question on a quiz, even if he gets an A. He expresses frequent concerns over the safety of his family even though his family is not in any danger, or in a state of transition. When he accidentally spilled his juice he got very upset and started calling himself "worthless and incompetent". Without knowing more, JD may be suffering from?

a. post traumatic stress disorder
b. generalized anxiety disorder
c. social anxiety disorder
d. obsessive compulsive disorder