What was true of the situation in 2000?

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问题
What was true of the situation in 2000?

选项 A、The number of people aged 65-74 had grown.
B、The number of people aged 75-84 had increased.
C、The total number of aged people had dropped.
D、The total number of aged people remained unchanged.

答案B

解析 观察2000年和1990年的柱状体,可以看出65—74岁的人群略微减少,而75~84岁年龄段的人口数量有所增加。故本题答案为B。
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