When cellular immune responses occur in lymph nodes and spleens, the main change are)
A.
Superficial cortex and periarterial lymphatic sheath
B.
Paracortical area and periarterial lymphatic sheath
C.
Superficial cortex and splenic corpuscles
D.
Paracortical area and splenic corpuscle
E.
Paracortical and marginal areas