题目

King Solomon, the most powerful and the most respected Israeli king, once said, “Kings take pleasure in honest lips; they value a man who speaks the truth.” He wrote a book called Proverbs, which is part of the Bible and studied carefully even today. There was a college graduate in Wuhan who shared his own experience about being truthful. It is a good lesson for everyone who reads of his experience. Mr. Lou went to work for a factory making electrical machines. On the first day of his job, he accidentally broke an electrical machine because of his inexperience. Since it was very expensive,函数图像与函数的反函数的图像关于原点对称，则函数的值域为 A．R                        B．(一∞，0)             C．(一∞，一1)           D．(一∞，l)