When someone gets old they often go to live in a home with other old people there are nurses to look after them.
A. although
B. that
C. where
D. unless
网友回答
A. although
B. that
(答案→)C. where
D. unless
解析：考查定语从句：句意：当有人变老了，他们经常和其他老人到有护理照顾他们的养老院。这里是用定语从句，先行词是a home，定语从句中不缺主宾表，缺少地点状语，用where引导定语从句，选C。