Well irony means that it's the opposite of what is being said
We may take the winds helping out Gilgamesh's as his "teammates". However, these winds did not come naturally but were thrown in at Humbaba, which sounds like some sort of supernatural control of weather of which Gilgamesh takes advantage to defeat his foe. We can state that Gilgamesh relies on supernatural forces because he leaped upon Humbaba as he saw him pinned down to ground by the action of winds.
B) seems like the only answer that appears to have a true attitude.
B explicit ideas are to have a hidden message