In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

Blind people are unable to see what the shapes of things are, but they can still sense it thanks contacting it via their (A) flying (B) singing (C) smiling (D) hands
D

How does erosion impact a river? (A) enlargening (B) warming (C) heightening (D) shrinking
A

What might cause a change in the Earth's surface? (A) Plastic Bottles (B) Happiness (C) Love (D) Sadness

A