in this national park declined from a few thousand to a few hundred in ten years. A. For a number of tigers     B. The number of tigers C. A number of tigers   D. That the number of tigers

_______ in this national park declined from a few thousand to a few hundred in ten years.
A. For a number of tigers
B. The number of tigers
C. A number of tigers
D. That the number of tigers

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Đáp án: B

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