根据《建筑工程安全生产管理条件》，施工单位的主要负责人、项目经理、专职安全生产管理人员应当经建设行政管理部门或其他有关部门（）后方可任职。

A. Sorry, there is something wrong.
B. Sorry, it doesn't work.
C. Sorry. I dropped it in the water.
D. Sorry, I can't fix it.