—They say Tom’s brother is a billionaire.

—________？ He wouldn’t accept any help from his brother，even though it was offered.

A．What if

B．What for

C．So what

D．Forget it

以下属于MDS的病态造血的是（）

A.骨髓红系增生活跃

B.粒细胞核固缩，有空泡

C.可见Auer小体

D.呈裂孔现象

E.可见淋巴样小巨核细胞