It is shady . . . . . . the tree.

A. below

B. beneath

C. under

D. none of three

Answer: Option C

Solution(By Examveda Team)

Under is used when something is directly under another. Beneath has the same meanings as under or underneath, but it’s a formal, literary word. Below is preferred when something is in a lower position, but in the same buliding, hill, part of the body etc. as another thing.
It is shady under the tree.