In the international forward foreign exchange market, if it is necessary to avoid the exchange rate risk between two non-US dollar currencies, cross-currency hedging can be used. Therefore, item A is wrong. Cross hedging refers to the use of two related foreign exchange futures contracts as foreign exchange hedging. The key to cross-hedging lies in grasping: ① Correct selection of another futures to undertake the hedging task, and only the varieties with high correlation are the appropriate tools for hedging the cash held by opponents. ② Correctly adjust the number of futures contracts to match the insured.