B. going to be refined by further investigation
thats the answer because you need proof that the theroy is wrong
Answer:
its either A or D.I remeber learning about this..Hope that helps
Lymphocytes generated during an initial infection that circulate in the body for years and quickly destroy that infection if it ever appears again are called the Memory t cells. These cells are a subset of infection that have previously encountered and responded to their respective antigen, thus they may be called the antigen experienced t cells.