They are crying because they need the sand to be moved for them
Yes it's possible to delete any post you have posted on social media but the post will not be deleted for the managers and the social media platform/team. You may not see it and people but the managers and people behind the app will still have this.
Sophisticated: having, revealing, or proceeding from a great deal of worldly experience and knowledge of fashion and culture.
If Molly looked more sophisticated wearing the business suit, that means she looked more professional/knowledgeable thus making it the better option.
I think the answer would be A. Persuasive essays should be debatable and it would be hard to find something no one else has written about. However, you shouldn’t try to persuade a fact that has already been proven. Hope this helped!