If the Absolute Refractory Period Did Not Exist in the Cycle

If the absolute refractory period did not exist in the cycle of an action potential, which of the following should be possible?

A) The resting potential of a neuron would be zero
B) There should be almost no limit on how fast a neuron can fire
C) There would be no need for a postsynaptic receptor site
D) Action potentials would be much larger
E) Sodium would not have to be recycled