Our goal is to build a harmonious society all people are well educated, workers
well paid, patients well treated, elders well tended, and families well acmodated.
A. which
B. that
C. in which
D. in that
网友回答
A. which
B. that
(答案→)C. in which
D. in that
解析：句意，我们的目标是构建一个学有所教、劳有所得、病有所医、老有所养、住有所居的和谐社会。定语从句的正常语序是：all people are well educated, workers well paid, patients well treated, elders well tended, and families well acmodated in the society. 定语从句修饰 society, 所以用which，介词in提到了关系代词的前面，关系代词前有介词时，不能that,故选C。