A. "i francied they look at me with envious eyes as i occasionally gulped down a mouthful of water from my skin."
Explanation:
"....... look at me with envious eyes....." means that he could read their countenance that others in his party may not mean it well for him. And out of the envy, could harm him.
Odysseus blinded Polyphemus, and now Poseidon is angry and seeks to avenge his son. Further, Tiresias predicts trouble when the ship reaches Thrinacia, where the "fat flocks" of cattle belonging to the sun god, Helios, live.
