Option A — It enhances the dignity of individuals.
Democracy promotes equality among citizens and enhances individual dignity, making it better than other forms of government.
Source: How do we assess democracy's outcomes?, Chapter 5
The textbook explicitly lists "enhances the dignity of the individual" as one of the key reasons democracy is better than dictatorship or other alternatives. Options B, C, and D are either factually wrong or not listed as democratic outcomes. Examiners expect you to pick the option directly supported by the NCERT text.