Correct! The answer is b. historical. To arrive at this answer, let's analyze the given sentence. The question asks about San Antonio being a city that is described as "muy" or "very" something. In the response, it is mentioned that there are many "edificios y lugares antiguos" or "ancient buildings and places" in San Antonio. This information indicates that the city has a historical significance, making the word "histórica" the most appropriate choice from the options given.
