If you drop a white into the Red sea,what does in become?翻译

题目

If you drop a white into the Red sea,what does in become?翻译
急^^^^^^ 谢谢了啊!

答案

如果你把一个白人扔进了红海里,它会变得怎么样?
If you drop a white into the Red sea,what does in become?
我始终觉得这个“in”是“it”