Correct option is C
Inherent: Existing in something as a permanent, essential, or characteristic attribute.
· Inborn: Existing from birth.
· Antonyms: Acquired, extrinsic, learned.
· Synonyms: Inborn, ingrained, inbred, integral.
Meaning of the options:
· Increase: To become or make something greater in amount, size, value, or degree.
· Superficial: Existing or occurring at or on the surface.
· Conclusion: The end or finish of an event or process.