What was the MAIN reason the group of men made adjustments in the experiment?

Responses
A to investigate the percentage of health outcomes determined by age 60to investigate the percentage of health outcomes determined by age 60
B to find out if breast cancer genes can be altered through dietto find out if breast cancer genes can be altered through diet
C to test if lifestyle changes have real effects on people’s healthto test if lifestyle changes have real effects on people’s health
D to test if premature deaths are affected by cancerous cells

C to test if lifestyle changes have real effects on people’s health