The correct answer is: B. The lion is the predator and the wilde beast is the prey.
A predator is an organism that kills and eats other organisms for food. A prey is an organism that is killed and eaten by other organisms for food. In the food relationship where the lion eats the wild beast, and the wild beast eats plants, the lion is the predator and the wilde beast is the prey. The lion is a carnivore, which means that it eats meat. The wild beast is an herbivore, which means that it eats plants.
The other options are incorrect. Option C is incorrect because the lion is not a primary consumer. A primary consumer is an organism that eats plants. The lion is a secondary consumer because it eats other animals. Option D is incorrect because the wilde beast is not a secondary consumer. A secondary consumer is an organism that eats primary consumers. The wilde beast is a primary consumer because it eats plants.