Which of the Following Is an Example of Internally Caused

Which of the following is an example of internally caused behavior?

A) An employee was late for a team meeting because of a heavy downpour.
B) An employee was laid off because the company was attempting to cut costs by laying off employees.
C) An employee was fired from work because he violated a company policy.
D) An employee could not attend an interview because of a delayed flight.
E) An employee could not come to work because he met with an accident.