Question

what is the central idea of a text? the feeling or emotion that a text provokes in the reader a conclusion based on evidence and background knowledge a series of ideas that support a main point the main point the author is trying to make

Explanation:

The central idea of a text is the main point the author is trying to make. The first option is about the mood/feeling a text evokes (tone or mood), the second is a conclusion, the third is supporting details, and the fourth matches the definition of central idea as the author's main message.

Answer:

The main point the author is trying to make (the fourth option, assuming the options are labeled and this is the one describing the author's main point).