The numbers of deer have fluctuated markedly since the entry of Europeans into Puget Sound country. The early explorers and sett

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问题     The numbers of deer have fluctuated markedly since the entry of Europeans into Puget Sound country. The early explorers and settlers told of abundant deer in the early 1800s and yet almost in the same breath bemoaned the lack of this succulent game animal. Famous explorers of the North American frontier, Lewis and Clark arrived at the mouth of the Columbia River on November 14, 1805, in nearly starved circumstances. They had experienced great difficulty finding game west of the Rockies and not until the second of December did they kill their first elk. To keep 40 people alive that winter, they consumed approximately 150 elk and 20 deer. And when game moved out of the lowlands in early spring, the expedition decided to return east rather than face possible starvation. Later on in the early years of the nineteenth century, when Fort Vancouver became the headquarters for the Hudson’s Bay Company, deer populations continued to fluctuate. David Douglas, Scottish botanical explorer of the 1830s, found a disturbing change in the animal life around the fort during the period between his first visit in 1825 and his final contact with the fort in 1832. A recent Douglas biographer states: "The deer which once picturesquely dotted the meadows around the fort were gone[in 1832], hunted to extermination in order to protect the crops."
According to paragraph 3, how had Fort Vancouver changed by the time David Douglas returned in 1832?

选项 A、The fort had become the headquarters for the Hudson’s Bay Company.
B、Deer had begun populating the meadows around the fort.
C、Deer populations near the fort had been destroyed.
D、Crop yields in the area around the fort had decreased.

答案C

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