Billy Is Walking Along the Street and in Front of Him

Billy is walking along the street and in front of him a woman is walking. Billy is wearing his running shoes so the woman does not suspect anything. He bolts ahead and grabs the woman's purse, but the woman resists by holding on to the purse. Billy turns on the woman and shows her a knife. The woman immediately releases the purse and Billy turns and runs straight into a police officer, who arrests him.

A) Before Billy pulled a knife on the woman, the incident would have been treated as a:
B) theft.
C) robbery.
D) burglary.
E) home invasion.