实行“集中政策，分散经营”集中领导下的分权管理的是（）

A.直线型组织结构

B.职能型组织结构

C.职能参谋型组织结构

D.分部制组织结构

E.委员会

So fast ________ that I could not catch up with them. [ ]

A. did they run

B. they had run

C. they ran

D. had they run