6297. He had been living his life according to set pattern.

✅ The correct answer is option B.
Performance : an act of presenting a play, concert, or other form of entertainment.

Model : a three-dimensional representation of a person or thing or of a proposed structure, typically on a smaller scale than the original.

Conduct : the manner in which a person behaves, especially in a particular place or situation.

Behaviour : the way in which one acts or conducts oneself, especially towards others.

Pattern : an arrangement or design regularly found in comparable objects.

Synonym of Pattern is Model