问题详情

Which of the following statements may be considered an honor to a telephone？
A．It provides a means for all kinds of talks whereas the speakers needn"t come person to person with each other.
B．It can send a message of sudden emergency conveniently.
C．It is densely-installed in England.
D．It is impossible to ignore the telephone when it rings.请帮忙给出正确答案和分析，谢谢！