2019 Cayley Problem 16

Kaukab is standing in a cafeteria line. In the line, the number of people that are ahead of her is equal to two times the number of people that are behind her. There are n people in the line. A possible value of n is

\textbf{(A)}\ 23\quad \textbf{(B)}\ 20\quad \textbf{(C)}\ 24\quad \textbf{(D)}\ 21\quad \textbf{(E)}\ 25

If there are no answer choices shown, enter a numerical answer.

Full credit to this problem is given to the CEMC, you may view all Cayley contests here.