How does antigen specificity in B cells contribute to the diversity of antibodies?

• A. Each B cell produces antibodies specific to one antigen, requiring a diverse pool of B cells for different pathogens.
• B. B cells produce antibodies that are non-specific to antigens.
• C. Antigen specificity limits the diversity of antibodies produced by B cells.
• D. B cells can change their specificity to match any antigen they encounter.

Answer: (A)