下列属于HLA复合体的非经典Ⅱ类基因的是()

A．HLA-DM

B．HLA-DN

C．HLA-DO

D．HLA-DR

E．HLA-DP

He has donated some money to those who________ in poverty, which   of great help.

A．live, is

B．lives, are

C．live, are

D．lives, is