单项选择题
A．appreciate B．appointed C．approved D．appropriate
A．different people have different ideas about the telephone B．high income is the precondition for the use of telephone C．telephone is essential only to those people whose career depends on it D．working people need a telephone
A．was exercised throughout his life B．had been recognized only by the generations that followed him C．was less important historically than his brilliance as lawyer D．emerged powerfully, but for a brief time only