问题详情

Why does the author quote the example of naturalist John Muir？

A．Because he was one of the most famous persons in the history of national parks.

B．Because he had done many strange and ecstatic behaviors in the name of national parks.

C．Because his holy behaviors reflected the breathtaking charisma of the national parks.

D．Because he was more immersed in the natural beauty rather than industrial profit.

请帮忙给出正确答案和分析，谢谢！