C. Navegar: it means to navigate and since you are at a lake it is the only one that makes sense since you wont be a: getting a key or b: bidding on something or d: exchanging money.
En la PRUDENCIA, el respeto.
Y en la JUSTICIA, la violencia.
i would use trear more because am always forgetting to get something and I always point it out to my family for no reason