8010. The parade route was down the main boulevard.

✅ The correct answer is option C.
Alley : a narrow passageway between or behind buildings.

Highway : a main road, especially one connecting major towns or cities.

Avenue : a broad road in a town or city, typically having trees at regular intervals along its sides.

Driveway : a short road leading from a public road to a house or other building.

Boulevard : a wide street in a town or city, typically one lined with trees.

Synonym of Boulevard is Avenue