Claire Stretches Crusts at a Local Pizzeria

Claire stretches crusts at a local pizzeria.One day,Claire showed up 10 minutes late with beer on his breath.(He had a couple of beers a few hours before coming to work. ) When asked by his supervisor whether he had been drinking,he told the truth and said that he was not drunk but only energized.And he proved it by stretching pizza crusts twice as fast as either of his two co-workers.Concerned that others would think that drinking before work was an acceptable behaviour,his supervisor decided to make an example of Claire.He sent him home about an hour into the shift and told him that he would receive his final cheque in the mail.Which of the following is most likely true?

A) Firing Claire was justified whether or not he posed a serious threat to the safety of the workplace.
B) Firing Claire was not justified because his job performance was unaffected.
C) Firing Claire was justified because to do otherwise would have been to condone Claire's behaviour.
D) Firing Claire was justified because Claire drank alcohol within 48 hours of a shift.
E) Firing Claire was justified only if he was a known abuser of alcohol.