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

When someone gets old they often go to live in a home with other old people ______ there are nurses to look after them.

1. A.
   although
2. B.
   that
3. C.
   where
4. D.
   unless