Answer:
50% 和 25%。或者 A 和 D。
Explanation:
你可以用 50%（1/2）或者 25%（1/4）当可能性。别的答案不能当。我希望这个答案会帮助你。
Answer:
50% or 25%. Or A and D.
Explanation:
You can use 50% (1/2) or 25% (1/4) as the possibility. No other answer should be considered. I hope this answer will help you.
