What Medicare Part B Covers Part B,but Not Part A,of

What Medicare Part B covers Part B,but not Part A,of Medicare covers which type of medical services?

A) Preventive screenings,laboratory tests,and chiropractor visits.
B) Hospice care,including supportive medical and social services.
C) A total of 120 days of hospital care,including outpatient follow-up.
D) Various "luxuries" in the hospital such as television,telephone,and private rooms.