Article 8 of the Trial Measures for the Management of Risk Supervision Indicators of Futures Companies stipulates that "Futures companies shall continuously meet the following standards of risk supervision indicators:

(1) The net capital shall not be less than RMB 30 million.

(2) The ratio of net capital to the company's risk capital reserve shall not be less than 100%.

(3) The ratio of net capital to net assets shall not be less than 20%.

(4) The ratio of current assets to current liabilities shall not be less than 100%.

(5) The ratio of liabilities to net assets shall not be higher than 150%.

(6) Minimum settlement reserve requirements ".

Therefore, choose a in this question.