Task: Text Completion
Input (English): Soon the group comes to an area with mountains in the background. At one point, a truck is riding alongside them. the group <sep> (A) is shown riding in a city car. (B) rides along a rapid river with several funny ducks on the side. (C) then comes to a beach area, with mountains in the background. (D) continues skiing and then arrives at their highest point.
Output (English): C