A nurse on a crisis hotline is speaking to a client who says, "I just took an entire bottle of amitriptyline." Which of the following responses should the nurse make?

"Were you trying to kill yourself by taking an overdose?"

"Do you know how many pills were in the bottle?"

"You must have been feeling pretty depressed to do that."

"I'm glad you called, and I want to send an ambulance to help you."