The sentence that best represents the function of a supporting sentence is, option B. It adds more details to the topic sentence. The supporting sentences make up the paragraph that talks about the main sentence. The supporting sentences not only add more information about the topic, but also add examples to further explain the main sentence.
I would say B but if I'm wrong it's D.
Hope This Helps! Have A Nice Weekend!!
They are both correct! Great Job, took a while to read tho, but worth it! Your Welcome!
Not too sure about this one. Check quizlet?