CO2 not used by itself on a major fire and sisal line poor; which statement is correct?

CO2 not used by itself on a major fire and sisal line poor; which statement is correct?

• A. CO2 should not be used by itself on a major fire, and sisal line shock absorption is poor.
• B. CO2 should be used by itself on a major fire, and sisal line shock absorption is poor.
• C. CO2 should be used by itself on a major fire, and sisal line shock absorption is excellent.
• D. CO2 should not be used by itself on a major fire, and sisal line shock absorption is excellent.

Answer: (B)