单选题：The Invention of the Telephone　　In the nineteenth century, t

　　The Invention of the Telephone　　In the nineteenth century, the invention of the telegraph made it possible to send noises, signals, and even music over wires from one place to another. However, the human voice _______1 this way. Many inventors tried to find a_______2 to send a voice over wires, and in1876 some of their efforts were crowned with success._______3 American inventors, Alexander Graham Bell and Elisha Gray_______4 at almost the same time. The United States Supreme Court finally had to decide which of the two_______5 the first inventor of the telephone. The Court decided _______6 Bell's favor.
　　Born in Edinburgh, Scotland, Bell grew up in a family_______7 was very interested in teaching people to Speak. His grandfather had been an actor who left_______8 to teach elocution; his father was a teacher_______9 deaf-mutes learn how to speak.
　　However; probably none of the_______10 inventions gave Bell the same feeling of triumph _______11 he had on the day when he spilled some acid from his batteries. It was after he had worked for months to find ways to send something more_______12 metallic twangs over the wires Thinking Watson,_______13 , was in the next room, Bell 'called, "Mr. Watson._______14 I want you. " Watson was not in the next room. He was down in his laboratory, _______15 to the receiver.To Watson's surprise, he heard the words perfectly. He ran to tell Bell the news:the wires had carried Bell's voice perfectly.请选择（1）处的最佳答案． A．had never traveled
B．never had traveled
C．was never traveled
D．never was traveled