Nations are classified as"_____" when seven percent or more of their people have

游客2024-09-29  11

问题 Nations are classified as"_____" when seven percent or more of their people have reached 65.

选项 A、aging
B、being aging
C、aged
D、being aged

答案 C

解析 词汇题。aged意思为“年老的,老化的”。
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