Answer: D. All of the above
Explanation: Staying up late will make it so you can't concentrate, pajamas will have you not come off formal which you want to come off formal, inviting your friends to your job well almost for sure get you fired especially if they are rowdy and loud because you're supposed to concentrate at work how are you going to do that with you friends there? On top of that how will anyone else in the office be able to concentrate with the noise they make?
