Consider the following four statements (i-iv) regarding kidney transplant and select the two correct ones out of these
(i) Even if a kidney transplant is proper the recipient may need to take immuno-suppressants for a long time
(ii) The cell-mediated immune response is responsible for the graft rejection
(iii) The B-lumphocytes are responsible for rejection of the graft
(iv) The acceptance or rejection of a kidney transplant depends on specific interferons
The correct statements are

Options

A. a and b
B. b and c
C. c and d
D. a nad c

Answer

A