What is the preposition in the sentence?

"The children sat under the tree"

ASat
BChildren
CUnder
DThe

Please explain what a preposition is and why the answer is correct.

Verified Answer :

the preposition isĀ c) Under

c under because a preposition is a word governing or its usually preiciding a noun and a pronounĀ 
:)HOPE I HELPED and can you please mark mine as brainliest