Final answer:
The author's purpose in 'Deep Green Freeze' is inferred to be persuading readers towards environmental consciousness, while also informing them on relevant issues, guided by strategic stylistic choices.
Therefore, option C is correct.
Step-by-step explanation:
The author's purpose in the text Deep Green Freeze is not explicitly stated in the provided information, making it challenging to determine without additional context. However, based on the given details, we can infer that the author may be aiming to persuade readers to adopt environmentally friendly practices by illustrating the relationship between settings in the text and the main themes which could relate to climate change or environmental issues. The reference to providing background information for readers suggests an intention to inform or raise awareness about an issue. Additionally, by mentioning stylistic choices, such as the use of specific words and phrases, it indicates a nuanced approach that could be intended to evoke certain feelings or reactions from the reader, possibly influencing their perspective on the subject matter. However, without the exact text, these are educated guesses based on the description provided.