What is the temperature that needs to be maintained during the process?

• A. 90‚àö√Ñ‚àö‚àÇF
• B. 95‚àö√Ñ‚àö‚àÇF
• C. 100‚àö√Ñ‚àö‚àÇF
• D. 105‚àö√Ñ‚àö‚àÇF