It’s the writers are in complete agreement
B) mainly
The word "mainly" shows that the story of Huck Finn is more fiction than fact. He repeats this word many times when he is talking about the story being one of truth. This intensifier introduces the idea of the story being a bit exaggerated and fictional. The other words add to the characterization of Huck. He uses ain't simply to mean isn't. When he says "that ain't no matter" he means that it is no big deal. Without is used to mean exactly that and is not meant as an opposite.
The correct answer is the following.
Recycling is a necessity not a commodity.
Recycling helps to take care of the environment. As simple as it sounds. Right now, it is not a matter of we want to protect the environment. Today is a requisite if we really want to live on this planet for the years to come.
The Earth is very polluted, the weather is changing, the seas have environmental issues. Humanity must do its part to cooperate.
Let politicians do its job with the big industries and the legislation. Let people, the everyday citizen to do its part and cooperate with the protection of the environment.
Recycling is one way to do it. Cumbersome? Probably, but it really does not represent a big problem. It just takes minutes to recycle. It just takes a moment to recycle. Everybody has the time to go to the recycling stations and cooperate.
We only have one planet: the Earth. We only have one chance: now.
I'd say the correct answer is the second option. Because while he was alive, Poe lived in poverty because he couldn't earn enough writing poems and stories, he also had to get a job as a critic. Only after he died did people start realizing the importance of Poe's work. And King is still alive, and still popular, receiving numerous awards for many of his works.
C. Both of these
A signal statement tells people that something important is coming so the listener or reader needs to pay close attention. The statement "keep in mind" signals to the reader that what comes next could be an important factor. The second statement "I want you to understand..." also signals to the reader or listener that what will follow is important for the reader to pay attention to.