Question

【题目】 She cared more about her students than her own health. That’s why two years passed _____ she was treated for breast cancer.

A. since B. before C. after D. until

Answer 1

【答案】B

【解析】句意：她关心自己的学生要超过关心自己的身体健康，这就是为什么两年后她被诊断为乳腺癌。考查状语从句。此处表达“在她接受乳腺癌治疗之前过去了两年” 。也就是“两年过后她……。” 是before引导的时间状语从句。