( style='font-size:12px'>湖北卷 )22 style='font-size:12px'>． When the old man ______ to walk back to hishouse ,the sun _____ itself behind the mountain. A style='font-size:12px'>． started ;had already hidden B style='font-size:12px'>． had started ;had already hidden C style='font-size:12px'>． had started ;was hiding D style='font-size:12px'>． was starting; hid