.John is the only one of the students in the class that never______ a mistake even when it is pointed to him.

A．admit making

B．admits making

C．admit to make

D．admits to make

按《建筑工程施工质量验收统一标准》的规定，（）的划分是依专业性质、工程部位来确定的。

A.单位工程

B.分部工程

C.分项工程

D.子分部工程