Black friday is a time for catching deals and getting a head start on holiday shopping, but with some weird morality in its juxtaposition with Thanksgiving where black friday wrecked havoc after the Thankful holiday. Hope this helps :D
Answer:
I think it means that she became a new person.
It would be a subordinate cause, for it can't stand on its own. Think about it: Since early this morning. What happened since early morning? Since it doesn't provide that information, it wouldn't be able to be an independent cause.
Also, I don't believe that the sentence is grammatically correct :)
<span>D. The girls, overwhelmed by the sale, bought many shoes.</span>