The correct answer is: B. Catch-water drain
A catch-water drain is a type of drain that is provided parallel to a roadway to intercept and divert the water from hill slopes. It is designed to prevent the water from flowing onto the roadway and causing erosion or flooding.
A sloping drain is a type of drain that is installed on a slope to collect and divert water. It is typically made of concrete or stone and is designed to prevent erosion.
A side drain is a type of drain that is installed along the side of a road or other paved surface to collect and divert water. It is typically made of concrete or asphalt and is designed to prevent water from flowing onto the road and causing erosion or flooding.
A cross drain is a type of drain that is installed perpendicular to a road or other paved surface to collect and divert water. It is typically made of concrete or asphalt and is designed to prevent water from flowing onto the road and causing erosion or flooding.