The 6-year-old should have a roommate as close to the same age as possible. so the 12-year-old is the best match. The 10-year-old with sarcoma has cancer and will be treated with chemotherapy that makes him immune suppressed. the 6-year-old with osteomyelitis is infected. and the client in answer A is too old and is female; therefore. answers A. C. and D are incorrect.