Eight cards are numbered from $$1$$ to $$8$$. The cards are placed in two boxes $$P$$ and $$Q$$ so that the sum of the numbers on the three cards in box $$P$$ is equal to the sum of the numbers on the five cards in box $$Q$$. Which of the following statements must be true? 
选项为:A:The card numbered $$1$$ is not in box $$Q$$  B:Four cards in box $$Q$$ have even numbers on  C:The card numbered $$5$$ is in box $$Q$$  D:The card numbered $$2$$ is in box $$Q$$  E:Exactly three cards in box $$Q$$ have odd numbers on  请回答其中一个选项.