He prefers ______ at home reading to ______ out shopping on Sundays. [ ]

A. to stay, going

B. to stay, go

C. staying, going

D. staying, to go

1岁男孩。母乳喂养，近3个月来面色渐苍黄，间断腹泻，原可站立，现坐不稳，手足常颤抖。体检面色苍黄，略水肿，表情呆滞，血红蛋白80g/L，红细胞2.0×10/L，白细胞6.0×10/L。

该患儿可能的诊断是（）

A.大脑发育不全

B.营养性缺铁性贫血

C.维生素D缺乏性手足搐搦症

D.维生素D缺乏性佝偻病

E.营养性巨幼红细胞性贫血