The nurse is preparing the client with a cerebrovascular accident for discharge to home. The nurse should recognize which of the following factors would most likely influence the client's continuing progress in rehabilitation at home

A．The family's ability to provide support to the client.

B．The client's ability to ambulate.

C．The availability of a home health aide to care for the client.

D．The frequency of follow-up visits with the physician.

定义在实数集上的函数f(x)满足f(x+1)=-f(x)，且在区间[-1，0]上严格单调增，则（）。

A.A

B.B

C.C

D.D