Please answer the following question: Read the following conversation and answer the question. M: Chinese ink painting is an important part of your nation al culture, isn't it, Miss Li? W: Yes, it has a history of over 2 500 years. Question: When can the history of Chinese ink painting be traced back? - 1 500 years ago. - 2 000 years ago. - 2 500 years ago.
A:
2 500 years ago.