The Seemingly Instantaneous Propagation of Electric Current in a Wire

Multiple Choice

The seemingly instantaneous propagation of electric current in a wire when a switch is closed can be understood in terms of

A) the propagation of an electric field down the wire with nearly the speed of light.
B) the acquisition of the drift velocities of the free electrons almost immediately.
C) a very large number of charges slowly drifting down the wire.
D) the replacement of charge flowing out of the wire at one end by charge entering the wire at the other end.
E) all of the above