I have made clear I have nothing to do with the accident.
A. it; what
B. that; that
C. it; that
D. this; that
网友回答
A. it; what
B. that; that
(答案→)C. it; that
D. this; that
解析：考查固定句型：sb make it clear that…某人明确…,it是形式宾语，that引导的是真正的宾语从句，句意：我已经明确了和这件事无关。选C。