Read the following statements about WBCs and select the correct option
1) Lymphocytes are responsible for immune responses of the body
2) Basophils are least in number among white blood cells.
3) Eosinophils can engulf antigen-antibody complexes
4) Monocytes are the only phagocytic ceils of blood so that they are waited internal scavengers.

Options

A. only a and c are true
B. only b and c are true
C. only b, c and d are true
D. only a, b & c are true

Answer

D