You have a meeting with a colleague from a different department scheduled for 10 : 00am . You've spoken to the receptionist and you have been waitingoutside the colleague's office for a while and it is now 10 : 05 . You want to make sure the person knows you're there , You'd better ___________. A. Continue to sit and wait B. Peek your head in the doorway and say " Excuse me " C. Stand near the door where your colleague will see you D. Enter the office confidently introduce yourself and remind them you have a 10 : 00am