单项选择题

A.appcmd add app /site.name:contoso /path:/Acctg /physicalPath:d:\Acctg
B.appcmd add app /site.name:contoso /path:/Acctg /physicalPath:f:\Acctg
C.appcmd set app /site.name:contoso /path:/Acctg /physicalPath:d:\Acctg
D.appcmd set app /site.name:contoso /path:/Acctg /physicalPath:f:\Acctg