Answer:
C. 11 million.
The Holocaust was a systematic extermination of millions of people, mainly Jews, by the Nazi regime during World War II. The number of people killed during the Holocaust is estimated to be around 6 million Jews, as well as millions of other minority groups such as Romani people, homosexuals, people with disabilities, and political dissidents. The total number of innocent people who died during the Holocaust is estimated to be around 11 million.