After dinner he gave Mr. Richardson _____ ride to ____ Capital Airport.

A．the; a

B．a; the

C．不填；a

D．不填; the

慢性肉芽肿是（）

A.原发性T细胞免疫缺陷

B.原发性B细胞免疫缺陷

C.原发性联合免疫缺陷

D.原发性吞噬细胞缺陷

E.获得性免疫缺陷