The sentence that is correctly construed with an independent clause and a dependent clause is A) As they examined the evidence afresh, they thought of a completely different explanation.
The other sentences don't have dependent clauses, only phrases.
There are several steps you need to follow if you want to report fraudulent or incorrect charges to your credit card company:
1. Evaluate the charge
2. Contact the merchant first
3. Contact the credit card company
4. Mail dispute paperwork
5. Wait for them to investigate your dispute
6. Appeal if necessary
Answer:
I'm pretty sure short but not a hundred percent sure
Answer:
D - Idea's that can be shown to be true by research
Number 2 is the answer I think