在美国《独立宣言》的前半部分有如下一段：We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable rights, that among these are life, liberty and the pursuit of happiness。其中self-evident即不证自明之意，其意义应该最接近

A．自然权利

B．三权分立

C．人民主权

D．社会契约