In my brother's absence, I would like to thank all concerned on his ________.

A．behalf

B．part

C．business

D．interest

女，32岁。两年来月经量多，乏力、心悸。检查面色较苍白。血红蛋白70g/L，白细胞8×10⁹/L，血小板110×10⁹/L，血清铁300pg/L，治疗首选

A．输血

B．硫酸亚铁口服

C．右旋糖酐铁肌注

D．维生素B₁₂肌内注射

E．肾上腺糖皮质激素