Which of the Following If Observed by the Nurse Would

Which of the following if observed by the nurse would indicate that a depressed patient is becoming suicidal?

A) The patient becomes angry when speaking on the phone and slams the phone down.
B) The patient becomes angry during group therapy and runs out of the room.
C) The patient becomes angry at her roommate for borrowing her clothes.
D) The patient starts giving away her most prized possessions.