Which of the Following Statements Is Correct, Regarding the Difference

Which of the following statements is correct, regarding the difference between action potentials and postsynaptic potentials?

A) Unlike action potentials, postsynaptic potentials are actively propagated and they cannot differ in the in the degree in which they depolarize or hyperpolarize the neuron.
B) Action potentials can be excitatory or inhibitory, but postsynaptic potentials cannot
C) Unlike action potentials, postsynaptic potentials are not actively propagated and they can differ in the degree to which they depolarize or hyperpolarize the neuron.
D) None of the above is true.