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by rudrendra Kashyap - Sunday, 31 August 2014, 11:16 AM
  A. Medicine is the art and science of healing.
B. It encompasses a range of health care
C. practices evolved to maintaining and restore health
D. by the prevention and treatment of illness.
E. The word medicine is derived by the Latin ars medicina, meaning the art of healing.
choose correct one
why D is correct ?
"the prevention and ...." is right?