题目

Even in early time, people could realize the importance of dreams and knew that dreams gave meaning to life. Every great achievement has been the result of years of dreaming. If a person has a dream and holds fast to it, he or she will find a way to bring it into reality (现实). Children do not have much experience or knowledge. However, they are natural dreamers. We should not laugh at them for being naive. Many great men were dreamers when they were children. One such dreamer was Thomas Edison. He used to be ostracized (排斥) when he was in primary school, but his achievements wer—By the way, _____________ is it from your home to the Summer Palace?—It usually takes me 30 minutes to walk there. A. How long B. How far C. How soon D. How often