When they retire, many people over 60 prefer the houses in the country to spend their remaining years to in a large city.
A. it
B. that
C. those
D. which
网友回答
A. it
B. that
(答案→)C. those
D. which
解析：
这题考查代词的用法，those指代前面的houses，句意是：退休时，60岁以上的老人更喜欢乡村的房子度过晚年而不愿要大城市的房子。选C。