维生素D缺乏性佝偻病早期诊断实验室检查的灵敏指标是

A．25-(OH)₂D₃降低
B．血磷降低
C．甲状旁腺素增高
D．碱性磷酸酶增高
E．血钙降低

He accidentally ________ he had stolen something from a shop and had been punished by the guards．

A．let out

B．took care

C．made sure

D．made out