If there was an increased concentration of K⁺ outside of the neuron,which would be TRUE?

A)Neurons would spontaneously depolarize.
B)Neurons would spontaneously hyperpolarize.
C)The potassium equilibrium potential of nerve cells would become more negative. 
D)The sodium equilibrium potential would become less positive.
E)During an action potential,the neuron would repolarize slowly or stay depolarized.