Mi hermano contesta la telephone para mi hermana y yo.
Answer:
estaran viajando
Explanation:
"estaran" translates to "they will be" and "ellos" means they. so the only option that fits the context would be option B.
Ximena, the lawyer, is at the market in Spain.
or you could try this one too :
Ximena, the lawyer, is at the Plaza in Spain