A-A+
Before the telephone was ______ man had no w
问题详情
Before the telephone was ______ , man had no way of talking to each other except face to face.
A．invented
B．discovered
C．installed
D．created请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：A
解析：“电话被发明”，故用A。
考点：
问答库
