Answer:
OPTION D
Step-by-step explanation:
In simple words, A form of white blood cells which is portion of the immunity mechanism is indeed a lymphocyte. The B cells generate antioxidants which are used to combat bacteria, pathogens, and poisons invading them. The T cells attack the body's own cells which have been invaded over by infections itself or becomes cancerous.
The stress cause the lymphocytes to produce less leading to speedy transmission of lymphocytes.