【题目】It was the boy, rather than his teachers, that for what the boy had done.
A.were to blame
B.were to be blamed
C.was to blame
D.was to be blamed

【答案】C
【解析】句意：是这个男孩应该为他所做的受到责备而不是他的老师们。rather than his teachers可以看作插入成分，和the boy相对应的应用第三人称单数形式was to blame，is to be blamed是错误的表达。答案是C项。