<u>Explanation:</u>
Note, to make a sentence more parallel simply means separating the details to allow easy understanding and remembrance by the readers of what was said.
So it could be written as;
To become a professional musician involves taking:
- thousands of hours of practice and
- finally working hard to make connections in the music industry.
<span>Unfortunately you didn't share any options so that I could give you the right answer but I have one suggestion for you. Do not decide to describe the problems with the American legal system if you need to write a five-paragraph essay about a current social issue. Just because this topic is not a shallow one and you will need to analyse loads of information that should be included without reducing the sense. I hope it's clear. I would write something like ''the dangers of using cell phones while driving''.</span>
C because the thesis statement explains what the entire essay is about.