Which of the Following Is a Function of Electroreceptors

Which of the following is a function of electroreceptors?

A) to repolarize in an electric field; the receptor cell generates postsynaptic potential
B) to depolarize in an electric field; the receptor cell generates postsynaptic potential
C) to depolarize in an electric field; the receptor cell generates action potential
D) to repolarize in an electric field; the receptor cell generates action potential