The correct answer is B. The river deposited debris at every turn. There is a verb, a subject and an object, so it is considered a full sentence.
That's definitely informal because of the contractions used such as "'cause" and "y"all" and also because of the word phrasing such as "chow down" and "totally awesome."
Smart
Light
Cheap
Time
Cold enough
Time to workout
Light enough
He glanced apprehensively at him, apprehensively
