At Rest,the Concentrations of _____ Are Higher Inside of a Neuron,whereas

Multiple Choice

At rest,the concentrations of _____ are higher inside of a neuron,whereas the concentrations of _____ are higher outside of a neuron.

A) potassium (K+) ;sodium (Na+)
B) sodium (Na+) ;potassium (K+)
C) potassium (K+) ;chloride (Cl-)
D) potassium (K+) ;anions (A-)