A.6~6.8 B.B12.5~18 C.11.5~16 D.7~11.5
A.14 B.12 C.10 D.7~8
A.缺乏功能性铁 B.缺乏维生素B12 C.生理性贫血 D.缺乏叶酸
A.10 B.12 C.13 D.14