Which of the Following Is the Best Example of a Conflict

Which of the following is the best example of a conflict of interest?

A) teaching a college course based on skills learned at the workplace
B) accepting gifts from competitors
C) giving common sense advice to a friend who is trying to get a job with your employer
D) not telling your employer that you have been accused of a criminal offence
E) taking a part-time night job unrelated to your full-time employment