AMC 8 2020 Problem 6

Aaron, Darren, Karen, Maren, and Sharon rode on a small train that has five cars that seat one person each. Maren sat in the last car. Aaron sat directly behind Sharon. Darren sat in one of the cars in front of Aaron. At least one person sat between Karen and Darren. Who sat in the middle car? $\textbf{(A) }\text{Aaron} \textbf{(B) }\text{Darren} \textbf{(C) }\text{Karen} \textbf{(D) }\text{Maren} \textbf{(E) }\text{Sharon}$