【单选题】Which of the following are signs and symptoms that a patient may be having hallucinations or delusions?
A.
When you enter the room, the patient seems to be having a conversation and is looking at the wall. There are no other people in the room.
B.
Your patient does not notice you enter the room. You have knocked and spoken loudly. This often happens and it is difficult to get or keep his attention.
C.
Your patient notices you when you knock on the door. You enter and keep eye contact. As you talk, your patient keeps looking around the room. When you ask him a question, he seems startled and says, “I’m sorry, did you say something?”
D.
All the above are symptoms of hallucinations or delusions.