单项选择题

A.Set the NSORDER environmental variable of the environment which invokes the process to:NSORDER="local,nis,bind"
B.Set the NSORDER environmental variable of the environment which invokes the process to:  NSORDER="hosts=auth,nis,bind"
C.Edit /etc/netsvc.conf to add a line similar to the following: process /full/path/of/process {hosts=local,nis,dns}
D.Unset NSORDER environment variable of the environment which invokes the process