Which phrase defines "author's purpose" best? O the author's attitude towarc»nd opinion about the topic.
O the message or main idea of the text
O the author's background and experience
O the author's reason for writing

Explanation:

The author's purpose is exactly as it sounds: the purpose for the author's writing.

There are three main purposes, in the acronym PIE:

So, in other words, it is the author's reason for writing, and choice D is correct.