—I did not know you were good friends.

—You__________. I have known her since she moved here. You were abroad then.

A．may have

B．needn’t have

C．couldn’t have

D．must have

下列哪项符合嗜酸性粒细胞增多症

A.外周血中嗜酸性粒细胞以成熟型为主 

B.骨髓中红系、巨系常减少 

C.本病的主要诊断依据是骨髓检查 

D.通过骨髓检查通常可确定本病的病因 

E.骨髓中以幼稚嗜酸性粒细胞增多为主，且有形态异常