In group a it is understood that once group members finish there individuals tasks they will those who aren’t finished until the entire project is complete

the word that best matches the meaning of the expression "went to the big ocean" is died.

the goldfish died, which is why the father looks at the children mournfully. the "big ocean" is the father's way of saying fish heaven. he could have just said that the goldfish died, but this way, the children imagine the fish in a bigger, better place instead of just picturing a dead fish.

explanation:

c. "but thy eternal summer shall not fade" (line 9)