Final answer:
The best synonym for 'depict' in this context would be 'photograph'.
Step-by-step explanation:
The best synonym for depict in this context would be photograph (D). To depict a bullfight means to capture or represent it visually, which can be done through the medium of photography. While painting (A) can also be used to depict a bullfight, it is the most general option that includes other forms of visual art as well.