【题目】He was inspired to start again ________ he had failed.
A.in which
B.what
C.where
D.that

【答案】C
【解析】句意：他被激励从失败的地方重新开始。从结构判断此处应该是状语从句，从句he failed是主谓结构，缺少状语，所以排除B，D选项，而从情理判断人应该是从失败的地方重新开始，所以C选项正确。所以答案是C。