Answer: E, however
Explanation:
I got it right on AP classroom and also it says “unconvincing” at the end of the sentence so that should give it away.
The answer choice that best accomplishes this goal of reviewing the passage is E, however
This refers to the editing of a text to remove errors in it or to make it better by adding words or phrases.
Hence, we can see that revision is needed in the given passage to make it better and the inclusion of the transition word "however" would give it more clarity.
Read more about revision here:
https://brainly.com/question/8823021