If a Neuron Receives Graded Potentials That Bring It Close

Multiple Choice

If a neuron receives graded potentials that bring it close to threshold (but doesn't quite reach threshold) then which of the following will happen?

A) There will be a smaller, graded, action potential.
B) Only a subset of neurotransmitters will be released.
C) The cell will experience long-term potentiation.
D) The cell will not fire at all.