This topic examines current events. 202165438+122 October, Gao Li, spokesman of the CSRC, said at the press conference of the CSRC that with the consent of the State Council, the CSRC officially approved the establishment of the Guangzhou Futures Exchange. Previously, China's four major futures exchanges were Shanghai Futures Exchange, Zhengzhou Commodity Exchange, Dalian Commodity Exchange and China Financial Futures Exchange, and the CSRC approved the establishment of a grace period, which means that the fifth futures exchange in China will be available. Therefore, the correct answer to this question is item B.