The nurse is providing home care to a client with failing vision due to macular degeneration. The nurse is concerned about the client’s safety. Which of the following activities would help to lessen the client’s risk of falling

A. Arranging pieces of furniture close together so the client can use them for guidance and support.
B. Encouraging the client to wear a medical identification bracelet that describes the client’s visual deficit.
C. Installing a flashing light to indicate when the phone or doorbell is ringing.
D. Installing handrails in hallways, in bathrooms, and on steps.

在一个CS12.2k的呼叫过程中，IU口用户面的建立是在（）

A.RAB ASSIGNMENT REQUEST之后；

B.RAB ASSIGNMENT RESPONSE之前；

C.RAB ASSIGNMENT REQUEST之前；

D.RAB ASSIGNMENT RESPONSE之后。