Palliative care 2016

What is the actual mean survival of patients with bone metastases treated within large trials?

A. Breast 24 months, Prostate 18 months, Lung 9 months B. Breast 20 months, Prostate 14 months, Lung 7 months C. Breast 16 months, Prostate 9 months, Lung 3 months D. Breast 12 months, Prostate 6 months, Lung 1 month