请选择DCBA3F;l)J-~0|7B2j:l3D;@9g We usually stay home ________ Saturday afternoon．,V0Y*E.i-S7\:?;z;O3j,z/|
A．at；in,V0Y*E.i-S7\:?;z;O3j,z/|
B．at；on,V0Y*E.i-S7\:?;z;O3j,z/|
C．in；at,V0Y*E.i-S7\:?;z;O3j,z/|
D．on；on,V0Y*E.i-S7\:?;z;O3j,z/|