How does the relationship between affinity maturation and the immune system's memory improve long-term antigen defense?

• A. Affinity maturation has no impact on long-term immunity.
• B. Affinity maturation decreases the immune system's adaptability to future antigens.
• C. Affinity maturation enhances the specificity and strength of memory B cell responses.
• D. Affinity maturation eliminates the need for memory B cells.

Answer: (C)