我查了前辈们OG65的帖子，可还是解释不了我的问题。请哪位仙人帮帮忙吧
65. Critics of the trend toward privately operated prisons consider corrections facilities to be an integral part of the criminal justice system and question if profits should be made from incarceration.
(A) to be an integral part of the criminal justice system and question if
(B) as an integral part of the criminal justice system and they question if
(C) as being an integral part of the criminal justice system and question whether
(D) an integral part of the criminal justice system and question whether（D）
(E) are an integral part of the criminal justice system, and they question whether
我的问题是：在 consider n+n 中("consider corrections facilities an intergral part"), 为什么两个复数名词(corrections+facilities)可以放在一起呢? | 
