Which of the Following Refers to Cognitive Dissonance

Which of the following refers to cognitive dissonance?

A) The predisposition to act in a certain way
B) The extent to which someone is emotionally detached and manipulative
C) The degree to which someone is able to adjust behavior in response to external factors
D) The degree to which an individual feels positive about a job
E) The discomfort felt when attitude and behavior are inconsistent with one another