All of the Following Must Occur Before a Second Action

All of the following must occur before a second action potential can begin, EXCEPT

A) the Na⁺ and K⁺ ions that moved in/out of the cell must move back to their original compartments.
B) the Na⁺ inactivation gate must open and the Na⁺ activation gate must close.
C) the absolute refractory period must occur.
D) the Na⁺ and K⁺ ions that moved in/out of the cell must move back to their original compartments; the Na⁺ inactivation gate must open; and the Na⁺ activation gate must close.
E) None of the answers are correct.