参考答案

正确答案：C
解析：根据句意“历史是对今天以前发生在人们身上所有事情的记述”，C项正确，whatever指“任何事情，一切事情”；whichever指“任何二个”。从语法上判断，这里应引导宾语从句，并且在句中作主语，所以排除B、D项。whatever happened to the people...＝anything that happened to the people...