D. nos vemos is the right answer
g(f(x)) = -3/(x+4)^2
= -3/x^2 + 16
= -3/x^2 - 3/16
Does this match up with your answer key? If not, please let me know what possible options there are so I can help you out further.
1: todos
2: celebrábamos
3: había
4: una
5: caminaba
6: íbamos
7: ponían
8: vestían
9: llevaba
10: cubría
