Choose the closest paraphrased version after each of the following sentence or italicized part.
This [not living in memories] is not always easy; one's own past is a gradually increasing weight.（）
A、
…as they get older, people find it harder to remember their past.
B、
…as they grow older, people accumulate more experience.
C、
...to old people, their past is becoming more important.
D、
…to old people, their past is becoming a heavy burden.
【正确答案】：D
【题目解析】：
要做到这一点并非易事；自己的过去逐渐成了精神负担。 D选项表述符合。 选自第十三课 How to Grow Old。