B generally, the purpose of analyzing futures trading is not to obtain the goods themselves, but to transfer risks or pursue risk returns. Option a is correct. The object of futures trading is standardized contract, and option B is wrong. Futures trading is an advanced trading method, based on spot trading, which is formed and developed only when spot trading develops to a certain extent and social and economic development reaches a certain stage. Option c is correct. Futures trading refers to the centralized trading of futures contracts in futures exchanges. It is a highly organized trading method, which has strict restrictions on trading objects, trading time and trading space. Option d is correct.