By the end of the day I was back to the ache / tenderness I am use to . Now on using ice packs what is the best thing to do . I have those " Cold packs " that are more of a gel than a hard frozen pack . But they are really cold and the surface is plastic .

Options:
[a]. None of the above choices .;
[b]. They want to drink it cold .;
[c]. So it drinks very cold .;
[d]. To soothe their body .;
Answer the following question: Why does the narrator want the item to be cold ?
[d].