What do B cells make when they recognize antigens?

O A. Antibodies

O B. Pus

O C. T cells

O

D. Pathogens

It makes Antibodies

B cells start to proliferate in response to an invasion by antigens. They produce a generation of plasma cells which actively secrete antibodies in body fluid.

Explanation:

Antibodies are globulin type proteins. Each B cell can generate only a single type of antibody against a particular foreign antigen, to which it was first exposed.