Correct Answer & Explanation
Option B
'DECAY' refers to the process of rotting or decomposition. 'Putrefaction' is the process of decay or rotting in a body or other organic matter. Thus, 'Putrefaction' is a direct synonym.
• Regenerate: to regrow (new tissue or body parts).
• Renovate: to restore (something old, especially a building) to a good state of repair.
• Strengthen: to make or become stronger.