The nurse is interviewing a client who is currently under the influence of a controlled substance and shows signs of becoming agitated. Which measure should the nurse take first when caring for this client

A. Be aware of hospital security.
B. Communicate a scolding attitude to intimidate the client.
C. Use confrontation.
D. Express disgust with the client’s behavior.

现代意义上的法制的中心环节是( )。

A．民主立法

B．公正司法

C．依法办事

D．违法必究