Which of the Following Describes Passive Immunity

Which of the following describes passive immunity?

A) Exposure to a killed or weakened form of the disease organism which triggers production of antibodies
B) Exposure to an actual disease that triggers the immune system to produce antibodies to attack that disease
C) Activation of B and T lymphocytes and production of memory lymphocytes
D) Temporary immunity brought by introduction of antibodies to a disease from another person