Nancy MacDonald, an RN in home healthcare, is preparing for daily visits when an earthquake occurs. According to the home care emergency response plan, which method for contacting clients should she attempt first?

A) Provide local law enforcement with a list of home health clients for mobilization.
B) Divide the client list between nurses and unlicensed assistive personnel (UAP), and then visit each home.
C) Attempt to contact all clients by telephone to find out if they are safe.
D) Place an inquiry phone call to the emergency contact person listed for each client.