Which Statement Best Describes How Graded Potentials Determine Whether an Action

Which statement best describes how graded potentials determine whether an action potential will be generated or not?

A) when an excitatory depolarization reaches threshold
B) when electrotonic conduction occurs within the soma of the neuron
C) when sodium enters the soma of a cell
D) when the axon hillock is repolarized
E) when the neuron is hyperpolarized