It’s said to be a case of murder the children were used by adults.A. whenB. whereC. whichD

问题补充：

It’s said to be a case of murder the children were used by adults.

A. when

B. where

C. which

D. that

答案：

A. when

(答案→)B. where

C. which

D. that

解析：

试题分析:考查抽象名词后的定语从句。句意：据说有这样一个谋杀的案例，在该案例中孩子们被成年人所利用。从句子结构判断case 为先行词，后面定语从句缺少状语，关系副词where通常放在抽象名词后引导定语从句，所以B选项正确。