Which command starts a bi-directional ObjectServer gateway named BI-GATE?

A.
$NCHOME/omnibus/bin/nco_gate -name BI_GATE

B.
$NCHOME/omnibus/bin/nco_gate -server BI_GATE

C.
$NCHOME/omnibus/bin/nco_g_objserv_bi -name BI_GATE

D.
$NCHOME/omnibus/bin/nco_g_objserv_bi -server BI_GATE