Humoral immunity is
Pathogen-specific
Antigen-specific
Antibody - specific
Cell-specific
As discussed in Humoral Immunity or Antibody-Mediated Immune System (AMIS) -
Humoral immunity or antibody-mediated immune system (AMIS) provides defense against most extracellular bacterial pathogens and viruses that infect through the respiratory and intestinal tract. Hence, the correct option is (c).