—David left, do you know?

—No, which team is he _____ now? [ ]

A. to

B. off

C. out

D. in

急性早幼粒细胞白血病

A．外周血中早幼粒细胞增多
B．外周血中有较多的幼稚粒细胞伴嗜酸、嗜碱性粒细胞增多
C．外周血中幼红、幼粒细胞多见，骨髓可出现“干抽”
D．外周血出现较多异型淋巴细胞
E．外周血易见盔形细胞、小球形细胞及破碎红细胞