单选题
According to the article, strict wildlife protection laws and improved wildlife management techniques ______.
A、
caused the near extinction of the endangered animals
B、
intervened the natural process
C、
made the visit of National Parks relaxing, and inspiring and rejuvenating
D、
saved the elks in the Rocky Mountain Park from starvation
【正确答案】
B
【答案解析】
文中原话：However，stricter wildlife．．．Yellowstone elk herds．大意是：严厉的野生动物保护法令和野生动物管理技术的提高使得它们在受到高度关注的地区数量过剩。
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