Which of the following statements may be considered an honor to a telephone? ()A.It provi
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.