Correct option is C
The correct antonym of the given word is (c) False.
Authentic: Meaning of the given word: of undisputed origin; genuine.
Synonyms: Genuine, real, true, valid.
Antonyms:
False, fake, counterfeit, spurious.
Meanings of all options:
·
Moderate: Average in amount, intensity, quality, or degree.
·
Actual: Existing in fact; real.
·
False: Not according with truth or fact; incorrect.
·
Wise: Having or showing experience, knowledge, and good judgment.