Telephones, Like Locks and Safes and Minibars, Have Gone Through

Telephones, like locks and safes and minibars, have gone through stages of development; for telephones the sequence has been:

A) Dial-up; high-speed wire; wireless; VoIP
B) Operator-assisted; Internet; dial-up; high-speed wire
C) Dial-up; VOIP; operator-assisted; wireless
D) High speed; dial-up; wire; wireless
E) All of the above because it is difficult to say which came first