Read the following statements
i) Immunological memory is found in higher vertebrates ii) Innate immunity is anamnestic iii) Antibodies which coat the surface of bacteria and make them susceptible to phagocytosis are opsonins iv) Allergic reactions are due to the release of histamine and leukotriens
Choose the correct answer

Options

A. i, iii, iv are true
B. iii, iv are false
C. i, ii, iv are true
D. ii, iii, iv are true

Answer

A