In the following two hours he was _____ the performance, because it turned out to be as wonderful

as he had expected. [ ]

A. tired of      

B. absorbed in    

C. annoyed with  

D. concerned about

建筑设备监控系统竣工验收的竣工图纸不包含（）

A.工程合同技术文件

B.各子系统控制原理图

C.设备清单

D.中央控制室设备布置图