Despite the vast popularity of E-mail, there are still people who don't think much of it because______.
A.
they think as the latest invention in communication technology it hasn't reach its best
B.
they think it may be replaced by newer communication technology it does the older ways of communication
C.
they think it is no better than the older ways of communication
D.
they think its invention is one inevitable step in human evolution just like that of the older ways of communication