Anna is an employee at Bento Food Mart. Anna is called for jury duty and as a result cannot work her scheduled shift. Bento fires Anna. She successfully sues Bento for reinstatement. With respect to the employment-at-will doctrine, this isA. ​an example of the doctrine.
B. ​an exception based on contract theory.
C. ​an exception based on public policy.
D. ​an exception based on tort theory.