Why might an author use unusual syntax

Can you answer number 5 for me . hurry

Select all the correct answers. which sentences contain an adverb clause? darla set up a studio because she enjoyed painting. as aaron was having a midnight snack, he heard a loud noise coming from the basement. the entire town was searching for the girl with the red hair. they listened to what he had to say but disagreed with him in the end.

Ineed ,someone me on this and my other questions