题目

His father was the first on the farm ______ against the slave owner. A. fought          B. fighting            C. to fight        D. having fought 答案：C爸爸和小明开车前往离家426千米的海滨浴场，上午8：30出发，12：30距离目的地还有146千米，这辆汽车平均每小时行多少千米？