<span>B. comparing directly to a suspect tool</span>
A Moon mark as brainliest if correct
The
Thymocyte progenitors enter the subcapsular region of the thymus as
double-negative cd3- t cells where the double negative refers to lack of
cluster determinants CD4 and CD8. Double-negative cd3- t cells exist as small population
that is 1%-5% of lymphocytes in the lymphoid organs and peripheral blood of
humans and normal rodents.
I think D or A
hope I was able to help :)
and sorry that I don’t know 100%
NOT B for sure!!
