Question

Some people won’t realize the importance of their health ______ they have lost i

Some people won’t realize the importance of their health ______ they have lost it.
A. after
B. when
C. until
D. as

Answer 1

答案C
四个选项分别表示在……之后、当……时候、直到……时(多和not一起搭配使用)和当……时候(强调两个动作同时发生)。根据题意C选项为最佳答案，直到失去它时，人们才会意识到健康的重要性。