【题目】The days are gone physical strength was all you needed to make a living．
A.thatB.when
C.whereD.which
在线课程【答案】B
【解析】
考查定语从句。句意：身体就是你生存的本钱的日子已经过去了。physical strength was all you needed to make a living是the days 的定语从句，不缺少主干成分，先行词在从句中做时间状语，故用when来引导。故选B。