I already answered but... I can’t give a brief explanation my apologies!
A clause is a unit of grammatical organization next below the sentence in rank and in traditional grammar said to consist of a subject and predicate.
Please include a better screenshot to allow me to better help you
I’m pretty sure A but I think someone helped them
The correct answer is B. The bear is peaceful because the author uses connotative words like wandered and occasionally which gives the sentence a light-hearted and peaceful tone.