The correct option is
C Predator
In a food chain, there are basically 4 trophic level. The first trophic level consists of producers. These include plants. The second trophic level consists of herbivores. They are called as primary consumers. They feed upon producers. Example includes deer. The tertiary trophic level consists of carnivores. They are called as secondary consumers. They feed upon primary consumers. Example includes bear, fox. The tertiary consumers are predator. They feed upon secondary consumers. Example includes lion.
Thus, the correct answer is 'Predator.'