It’s based on the idea all people are created equal,is accepted by most people.A. that; t

网友回答

A. that; that
B. which; which
C. which; when
(答案→)D. that; which
解析：句意: 它建立在所有的人生来平等这个观点的基础之上，这一观点被大多数人所接受。用that引导同位语从句，解释中心词the idea的具体内容，因为该从句不缺少任何成分，所以用that来引导。用which来引导非限制性定语从句，先行词all people are created equal.在该非限制性定语从句中充当主语。