If c is the velocity of light in free space, the correct statements about photon among the following are:
A. The energy of a photon is E = hv.
B. The velocity of a photon is c.
C. The momentum of a photon, p = hv/c.
D. In a photon-electron collision, both total energy and total momentum are conserved.
E. Photon possesses positive charge.
Choose the correct answer from the options given below: