To determine the author's purpose in writing the passage, we would need to consider the content and main ideas presented. Without the actual passage to analyze, I can suggest that you look for clues such as:
- If the passage includes vivid descriptions of landscapes and sights, it may be aimed at describing a scenic drive (A).
- If it provides practical advice or tips about surviving or thriving in a desert environment, it's likely meant to inform about living in a desert (B).
- If it contains enticing language or calls to action encouraging visits to desert areas, then the purpose might be to persuade readers to visit a desert (C).
- If the focus is on the characteristics, significance, or biological details of saguaro cacti, then the purpose would be to inform the reader about them (D).
Assess the passage according to these points to determine the correct answer. If you're unsure, feel free to provide excerpts or more context for further assistance!