When I finished the story, Lenin jumped up from his chair and started pacing the floor, ______, deep in thought.

A．with his head bending

B．in his head bent

C．his head bending

D．his head bent

签发分项工程的开工通知单是监理工程师在______方面的职责。

A．工程质量监理
B．工程进度监理
C．工程费用监理
D．合同管理