He told me that she had met one of my old friends in the street .
A. the next day
B. the following day
C. the day before
D. yesterday
网友回答
A. the next day
B. the following day
(答案→)C. the day before
D. yesterday
解析：考查时间状语，句意是：他告诉我前一天他在街上遇到我的老朋友，因为遇到我朋友是在她告诉我前的一天，所以不能用yesterday，只能用the day before，before表示过去时间前。选C。