<em><u>Answer:</u></em>
<em><u>Virtual Classroom vs. Real-Life Classroom. The classroom is the real, tangible, touchable place to teach and to learn. ... In the virtual classroom, the teacher is usually able to interact with only one student at a time and it is from behind a computer screen.</u></em>
<em><u>Explanation:</u></em>
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.
The answer is C) Isolated
The answer is c because it sounds like the citey is barely there
hope i helped
it would be the third option but next time please give the choices