What is the temperature of the negative electrode in metal arc welding?

• A. 2200¬¨¬®‚Äö√†√ªC
• B. 2300¬¨¬®‚Äö√†√ªC
• C. 2400¬¨¬®‚Äö√†√ªC
• D. 2500¬¨¬®‚Äö√†√ªC