Article 50 of the Regulations on the Administration of Futures Trading shall exercise the following functions and powers: (1) Check the financial affairs of the futures exchange; (2) Supervise the directors and senior managers of the futures exchange to perform their duties. (3) Submitting proposals to the shareholders' meeting; (4) Other functions and powers as stipulated in the articles of association of the futures exchange. So the answer to this question is ABCD.