The correct statement in the context of the deportation and mass killing of Armenians is: Deported Armenians experienced starvation, violence, and disease.
The other options contain inaccuracies or misleading statements. For example, while the evidence does support the claim of genocide, it is well-documented that mass killings began in 1915. Additionally, the conditions in concentration camps were generally poor, and often worse than those during deportation marches.