They were ________ busy ________ with each other ________ the time. [ ]

A. too; to talk; to forget

B. too; talking; to forget

C. so; to talk; that they forget

D. so; talking; that they forgot

刚参加工作的教师，业务技术不熟练，也没有工作经验，成熟度很低时，按照领导生命周期理论，应采取哪种领导行为（）

A.低工作高关系

B.低工作低关系

C.高工作高关系

D.高工作低关系