Answer:
<h2>Replace wet clothing with dry clothing.</h2>
Explanation:
A proper way to treat hypothermia is to replace wet clothing with dry clothing. Because, you can get the victim moving to build core body heat, that's a good idea. But, if the person still has wet clothing on, the body heat won't be enough.
So, the first step it to replace wet cloething with dry clothing. And then you can get the victim moving to produce body heat. That's the right order.
Therefore, the right answer is the third choice<em> "Replace wet clothing with dry clothing.".</em>