I can hardly imagine his arguing with his boss. He always ________ me as a cool-headed man

A．strikes

B．takes

C．treats

D．regards

治疗巨幼红细胞性贫血的药物是（）。

A.枸橼酸铁铵

B.维生素K

C.氨甲环酸

D.硫酸鱼精蛋白

E.甲酰四氯叶素钙