As far as I see, _____ is no possibility _____ he will win the tennis match this time. [ ]

A. it; that

B. there; that

C. it; whether

D. there; whether

我国西部地区的地理差异有[ ]

A．甘新多沙漠戈壁，青藏多大河湖泊

B．陕甘宁地势低平，云贵川地形崎岖

C．新疆的河流皆为内河流，西藏的河流皆为外流河

D．青海高寒干旱，甘肃温暖湿润