Answer :

aryans,because,jew were in concentration camps as slaves,well jews were in the camps,and they were slaves in thier to(so jews(C)is marked off,and slaves(D) is also marked off as well.now!,like the jews,the roma gypsies were chosen for total annihilation solely because of their race.even though jews are difined by religion,hitler the jewish people as a race the he beleived need to be completly annihilated.likewise the roma gypsies were a nomadic people that were persecuted throughout history .both groups were denied  racially inferior and degnerate and therefore worthless.the gypseis were also moved to a special areas set up by the nazis and half a million of them-representing almost the entire eastern european gypsy population -was wiped out during the holocaust,so!!! you're answer is,,,,,,A.ARYANS

The ethnic group that was not rounded up by the Nazis and sent to concentration camps was A. Aryans. Nazi race theory saw many groups as ’undesirables’: Jews, black Germans, homosexuals, and the mentally and physically disabled. They were not supposed to be part of the new ‘racially pure’ Germany. The Aryans were the ones whom the Nazis wanted to be the only race in Germany.