单选题 It ______ quite a few years ______ the accused was declared innocent and set free.
  • A. was; since
  • B. is; that
  • C. will be; when
  • D. was; before
【正确答案】 D
【答案解析】[解析] A项应为is; since. 例子:It is five years since he gave up smoking. 也可以写成It has been five years since he gave up smoking. 但习惯上使用前者