You Are the Vice President of HR

You are the vice president of HR.A supervisor is bringing an employee to your office.The employee,who is ordinarily even-tempered,is agitated about something that has happened in her department,she is shouting and angry.Your company does NOT have a policy for zero tolerance of threatening language.You plan to do all of the following EXCEPT

A) call 911.
B) notify company security to stand by.
C) ask the employee open-ended questions that will allow her to vent.
D) calmly acknowledge the employee's concerns and her feelings.