The correct answer is A. This is the case of using comma before a coordinating conjunction <em>and</em> because it links two independent clauses. We can observe that there two parts of this full sentence and each part is independent from each other. Both of them have their own subject and verb. Therefore, we are using a comma before <em>and</em>.
What do you mean paragraph 5?
Hope this helps!
(It didn’t let me add the text so I had to write it in my notes)
Answer: I dont know but I would say there is a lot of negitive input
Explanation: