一道SAT的语法题目,为什么D 是错的?

题目

一道SAT的语法题目,为什么D 是错的?
(6) In royal palaces there were to be found many comforts that medieval castles did not offer.(7) These had dark dungeons and damp,drafty living quarters in instead.
32.In context,which of the following is the best way to combine sentence 6 and 7 (reproduced below)?
(A) Because medieval castles had dark dungeons and damp,drafty living quarters,royal palaces offered many more comforts than could be found there.
(B) Lacking many comforts compared to royal palaces,medieval castles instead offered dark dungeons and damp,drafty living quarters.
(C) While medieval castles offered only dark dungeons and damp,drafty living quarters,many comforts were to be found in royal palaces.
(D) Unlike medieval castles,royal palaces offered many comforts not found in dark dungeons and damp,drafty living quarters.
(E) With their dark dungeons and damp,drafty living quarters,medieval castles offered few of the comforts to be found in royal palaces.
为什么D是错

答案

原句说的是：“王宫里有很多舒服的东西,这是中世纪的城堡不能提供的,中世纪的城堡里（没有这些舒服的东西）只有地牢和潮湿的居所”而D的意思是“和中世纪城堡不同,王宫会提供很多舒服的东西,这些东西在地牢和潮湿的...