Once the sands have run out of a person's hourglass, they cannot

Once the sands have run out of a person's hourglass, they cannot be replaced.
A、If a person s clock goes wrong, nobody can repair it.
B、Once an hour is gone, it will never come back to us.
C、Time is as precious as sands in an hourglass.
D、Sands can easily run out of an hourglass.
【正确答案】：B
【题目解析】：原句译文：一旦岁月的沙粒从人生的沙漏里溜走,那是无法弥补的。A项意思是“如果一个人的钟表坏了，没有人能修好它”；B项意思是“一旦时光流逝了，它就再也不回来了”；C项意思是“时间就像沙漏里的沙子一样宝贵”；D项意思是“沙子很容易从沙漏里流出去。”答案为B。P74