The speaker describes a variety of aspects of the prairie. What does this reveal about him?

A
his deep familiarity with the land

B
his unsettled nature

C
his new appreciation for the land

D
his love of solitude

The correct answer is A) his deep familiarity with the land. The speaker's detailed and extensive descriptions suggest that he has spent a significant amount of time in the prairie and has a deep understanding and knowledge of its various aspects.