【题目】Have you ever had a case ______ you were accused of not making the greatest efforts to do something well?
A.that
B.where
C.which
D.when

【答案】B
【解析】考查定语从句：句意：你有没有经历这样的事情就是说有人指责你在做你没做的坏事？这句话用了定语从句，先行词是case，定语从句中不缺少主宾表，缺少的是in this case，这里case是抽象的地点。选B。