The correct answer to this question is letter ". C) The comma attempts to separate a compound predicate."
The first part of the sentence is the predicate, so it's not trying to separate a subject.
"Then skylights that were made of aluminum siding" isn't a sentence, so it's not an independent clause."
I resented lying to my parents when they found out the real truth.
When do you have to have this done, because i can help you i just need a couple of hours.