I say D, because there are certain states that have national parks and a large tree area.
Answer:
Why has this work been written?
Who is the audience and what is the message?
Is it sponsored? Has a group or company paid the author to make these claims? Consider, for instance, lobby groups, special interest groups, corporate entities etc.
Is it biased? Is the author affected by political, social, economic, environmental, religious, cultural, personal or any other bias?
Explanation: