Not every prisoner can travel, and we have strict and fair regulations. Those selected ______ have

performed well in the prison and are going to be released soon.[ ]

A. could

B. might

C. must

D. should

《鉴定书》由（）签名。

A、侦查人员

B、刑事技术部门的领导

C、鉴定人

D、公安局长