单选题 We always lay in a large ______ of tinned food in winter in case we are snowed up.
A. proportion B. storage C. provision D. supply

【正确答案】 D
【答案解析】(supply供应量，补给，同in搭配)。句意为：冬天我们能享受大量的罐装食品供应，以防大雪围困。人proportion比例；B．storage贮藏；C．provision供应，供应品。