A client on an inpatient psychiatric unit
题型：单项选择题
问题：
A client on an inpatient psychiatric unit at a community mental health center is pacing the hallway and appears agitated. When the nurse approaches him, he says loudly, "Leave me alone. " What’s the nurse’s best approach（）
A. Say nothing and pace with the client.
B. Say "You sound upset. I’d like to help. "
C. Say "okay" and walk away.
D. Summon help in case the client becomes aggressive.