Step 1: Understanding the context.
The statement reflects a philosophical and social observation — that in no society or civilization has every human being achieved complete excellence or flawlessness.
Step 2: Interpreting the word ‘attained.’
The word “attained” refers to something that has been reached or achieved through effort or development. In the context of human civilization, it relates to moral, spiritual, or intellectual achievement.
Step 3: Analyzing the options.
- (a) Enmity: Refers to hostility, which cannot be ‘attained.’
- (b) Jealousy: A human emotion, not an achievement.
- (c) Perfection: Correct — no civilization has achieved perfection for all its people.
- (d) Education: Although education is widespread, the sentence suggests something beyond learning.
Step 4: Conclusion.
Thus, the correct completion is “perfection,” meaning no civilization has reached a state where every individual is perfect.