关于交叉配血下列说法正确的是

A.主侧加受血者血清与供血者红细胞 

B.主侧加受血者红细胞与供血者血清 

C.次侧加受血者血清与供血者红细胞 

D.次侧加受血者红细胞与供血者红细胞 

E.主侧加受血者血清与供血者血清