Answer: When you figure out the main idea, you can then see how the author addresses it. If they have a bias opinion against, or for it, you can note their ton when the speak about it. Knowing the main idea, can help show why the author is writing about it, and how they feel about it as well.
Explanation: Hope it helps :)
The group of words that qualifies as a dependent clause as written on the options, is letter A. Because there is no evidence. The rest of the sentences are independent clauses. The word 'because' is a kind of conjunction that begins with a dependent clause. Therefore, the answer is letter A.
It is described in words by the writer. So, your answer is B.
