An Electric Dipole Having Dipole Moment of Magnitude P Is $2 p E$

An electric dipole having dipole moment of magnitude p is placed in a uniform electric field having magnitude E.What is the magnitude of the greatest change in potential energy that can happen for this dipole in this field?

A) pE
B) $2 p E$
C) 4pE
D) $\sqrt { 2 } p E$
E) No answer given is correct.