Joanne Is Going Out to Her Car After Taking a Night

Joanne is going out to her car after taking a night class, and just as she is about to open the car door, a man appears who has his pants down to his knees and is masturbating. According to the text, Joanne's BEST immediate response prior to notifying campus security would be to:

A) scream loudly.
B) stand still and watch for a while.
C) calmly ignore the man.
D) start laughing and tell him to put the silly thing away.