52 For a comprehensive fire rescue action, it’s important to search for survivors and victims hidden in debris in  ___________ buildings and structures.
(A)collected
(B)combined
(C)collapsed
(D)condensed.

For a comprehensive全面的；綜合的 fire rescue action, it’s important to search for survivors and victims hidden in___________ debris碎片，殘駭 in buildings and structures結構；構造. 

(A)collected翻譯：集成的, 收集成冊的，收集成系列的, 鎮定的, 鎮定的，冷靜的

(B)combine翻譯：（使）結合；（使）聯合；（使）合併；（使）綜合, （人）兼具，兼有, 兼辦，兼做

(C)collapse翻譯：倒下, （由於壓力、無力或缺乏支持而）倒塌，坍塌；崩潰，垮掉 

(D)condense翻譯：壓縮, 壓縮，縮短（講話或文章）, 使（液體）濃縮, 變成液體, （使氣體） 變成液體或固體；（使）凝固；（使）凝結。

B應該大家都多少知道 找飯店就找hotels combined

For a comprehensive fire rescue action, it’s important to search for survivors and victims hidden in___________t debris in buildings and structures.

那個t是不是多出來的。