题目

It was one o’clock in the morning when I at last succeeded in creating life.As I looked at the lifeless human being, I saw one eye slowly open. Then he began to breathe and move his arms. At first, I thought he would be a fine-looking man. He had yellow skin, black hair and very white teeth. Unluckily, his eyes were watery, and his lips were thin and colorless. I soon realized that there was nothing beautiful about him. I ran out of the room, disgusted (恶心) by the creature I had created. I tried to sleep, but for hours I could not. Then, when I did get to sleep, I had bad dreams. When Ia如图中A表示的是一种鹰在一个群落中的情况，那么B代表的可能是（　　）A．是该种鹰的天敌种群B．是与鹰有互利共生关系的一个种群C．群落中生产者数量变化的情况D．是被鹰捕食的一个种群