He has been doing the job for many years, but has never felt ________ it, though his workmates think it is a ________ one．

A．tired of; tired

B．tired of; tiring

C．tiring of; tired

D．tiring of; tiring

按照检修管理规定，热工仪表及控制装置检修、改进、校验和试验的各种技术资料以及记录数据、图纸应在检修工作结束后（）天内整理完毕并归档。

A、7；

B、10；

C、15；

D、30。