Assertion (A): Organ transplantation patients are given immunosuppressive durgs.
Reason (R): Transplanted tissue has antigens which stimulate the specific immune response of the recipient.

Options

A. Both (A) and (R) are true and (R) is the correct explana-tion of (A)
B. Both (A) and (R) are true but (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. Both (A) and (R) are false

Answer

A