A party game played with a six---sided dice is fair if the chance of winning is equal to  the chance of losing each time the dice is rolled. Which one of these games is fair? 
选项为:A:You win if you roll a 6.  B:You win if you roll a 2 or a 5.  C:You win if you roll a number greater than 4.  D:You win if you roll a number less than 3.  E:You win if you roll an odd number.  请回答其中一个选项.