I was born __________ five o'clock __________ the morning __________ October 10th.[ ]

A. in; on; at

B. at; in; on

C. at; on; of

尿毒症患者伴高钾血症最有效的降低血钾疗法是

A．口服碳酸钙

B．必需氨基酸疗法

C．补充 1，25-(OH) 2-D 3

D．促红细胞生成素

E．血液透析治疗