Explanation

All of the listed scientists shared the Nobel Prize in Physiology or Medicine 2020 for their work on Hepatitis C. Option A is correct because Harvey J. Alter was recognized for his contribution to understanding hepatitis viruses. Option B is incorrect because Michael Houghton was also part of the group awarded the prize. Option C is incorrect because Charles M. Rice was also a recipient of this award. Option D is correct because all three individuals shared the Nobel Prize together.