It has been said that all one can do for a sprained ankle is leave it alone while it heals itself, ice it, and to lie with it in a slightly elevated position

(A) all one can do for a sprained ankle is leave it alone while it heals itself, ice it, and to
(B) all one can do for a sprained ankle is to leave it alone to heal itself, to ice it, and
(C) all one can do for a sprained ankle is leave it alone while it heals itself, and then ice it and
(D) the only thing that can be done for a sprained ankle is leave it alone while it heals itself, ice it, and
(E) the only thing that can be done for a sprained ankle is to leave it alone while it heals itself, to ice it, and


[spoiler]OA:D??!
HOW?!!?I eliminated D and E at a go c's how can the "only thing" be THREE things?!!![/spoiler]