Answer:
I'd say C) but i don't really understand cos, the first two options suggest someone else is going but the last to suggest you are going but the best option is definitely C)
B. barrier did not participate in the Pan American games
Answer:
please mention the chapter name ! so we can answer easily
Elisa “trabaja”en el restaurante.
It could be trabajo too, but trabaja is the most common. Elisa trabaja en el restaurante means that she works on the restaurant, and trabajo means the she was used to work there