The proportion of elderly people in the population is steadily growing______ they live longer; ______that fact brings them ever

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问题 The proportion of elderly people in the population is steadily growing______ they live longer; ______that fact brings them ever worsening problems.

选项 A、while, so
B、when, but
C、as, whilst
D、whilst, just

答案C

解析 本题考查连词的用法,第一分句含有主句的时间状语从句,所以用as,意为"随着";第二分句是主句的让步状语从句,所以用whilst,意为"尽管,然而"。题意为,人口中老龄人的比例,随着他们的长寿持续稳定地增长,而那一事实带给他们的是越来越严重的问题。
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