You woke up late and are far behind at work. When you reach the end of your rope, you treat your secretary with hostility and disrespect. This mistreatment causes you to experience dissonance, which you are most likely to reduce by

B) thinking about all the irresponsible or inept things she's ever done.

Explanation:

By thinking about her irresponsibility, you can make a balance bewteen her advantages and disadvantages in order to decide whether she is suitable for the position or not. Also, you can evaluate if your reaction was appropriate and apologize to her if necessary.