X, W, C, D, V, U, E, F, _______
E
Correct answer
Explanation
Complex pattern with alternating backward and forward jumps: X→W (back 1), then C→D (forward 1), then V→U (back 1), then E→F (forward 1), so next is T (back 1 from U). The pattern: (-1 from end), (+1 from start), alternating.