Answer: C. While looking for a campground, Maria and the narrator admire the Douglas Firs in the forest. On their way, they find a trail of half-eaten food, and Maria picks up the trash while the narrator takes pictures of the trees. Finally, they arrive at an uninhabited campground, and when they spot a bear near the bushes, it drops an empty package of peanuts and scampers away.
Explanation: This summary captures the main events and details mentioned in the passage. It mentions the admiration of the Douglas Firs, the discovery of trash, Maria's action of picking up the trash, the narrator taking pictures, the arrival at an uninhabited campground, and the encounter with a bear dropping an empty package of peanuts.