Construction Workers Often Cut Benches or Terraces,such as Those Seen

Construction workers often cut benches or terraces,such as those seen in the image below,along the sides of roads to help mitigate landslides.This is because terraces

A) provide flat areas where large trees and shrubs can be planted.
B) mitigate slope failure by removing weight from the hillside.
C) force cars to be farther from steep slopes that might fail.
D) allow flat areas where houses can be built without adding weight.