5. 依哈伯瑪斯(Habermas)「溝通行動理論」(theory of communicative action),「理想言談情境」之有效宣稱不包 括下列何者? (A)可理解性(comprehensibility) (B)真理性(truth) (C)真誠性(sincerity) (D)權威性(authority)