成熟的Th细胞的表面标志是

A、CD3_TagUpStart_-_TagUpEnd_CD8_TagUpStart_-_TagUpEnd_CD4_TagUpStart_-_TagUpEnd_
B、CD3_TagUpStart_+_TagUpEnd_CD8_TagUpStart_-_TagUpEnd_CD4_TagUpStart_+_TagUpEnd_
C、CD3_TagUpStart_+_TagUpEnd_CD8_TagUpStart_+_TagUpEnd_CD4_TagUpStart_+_TagUpEnd_
D、CD3_Ta