What is the author's thesis? OA. A powerful river runs through the gorges of the lateral canyons that make up the Grand Canyon.
OB. Music provides a better description of the Grand Canyon than words or pictures.
n
Oc.
It is easier to describe the Grand Canyon than it is to describe the abundant beauties of the forest.
OD
The Grand Canyon can only be Illustrated through visual elements such as form and color.