In antibody-mediated immunity, what happens immediately after B cells are activated?

In antibody-mediated immunity, what happens immediately after B cells are activated?
  a. The foreign antigen-MHC complex is displayed on the cell surfaces.
  b. Activated T helper cells interact with the B cells.
  c. The B cells are cloned.
  d. Antibodies combine with antigens on the pathogen surface.
  e. The B cells becomes plasma cells.

Question 2

A nursing baby:a.
   lacks cell mediated immunity.
  b. lacks antibody mediated immunity.
  c. lacks an adaptive immune response.
  d. receives active immunity via the breast milk.
  e. receives passive immunity via the breast milk.