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.
The correct answer to this question is B
You need to be more specific, in what chapter or where exactly are you currently in the story? beginning, middle or end? so I can help you here, what lies ahead of ponyboy will depend on how much you have read.
George has been answering all of Lennie's questions that the boss was asking Lennie.
