Classically, the Concept of "Tunneling" Is Impossible. Why

Multiple Choice

Classically, the concept of "tunneling" is impossible. Why?

A) The kinetic energy of the particle would be negative.
B) The velocity of the particle would be negative.
C) The total energy of a particle is equal to the kinetic and potential energies.
D) The kinetic energy must be equal to the potential energy.
E) The total energy for the particle would be negative.