【题目】
A.15.B.50.C.85.D.100.
在线课程【答案】C
【解析】
【原文】
M: How many people will be coming to the reunion on Saturday?
W: We have to cross off fifteen names from our original list of one hundred.
Question: How many people do they expect to attend the reunion?
此题为听力题，解析略。