Explanation:
1- no tengo dinero para viajar por avion; <em>por</em><em> </em> eso viajo en carro.
2- viajamos a santo domingo <em>por</em> autobus.
3- yo volaba <em>para </em> madrid cuando me llamaron del hospital.
4- conchita, <em>para</em> tu mama es menos incomodo viajar en avion.
Answer:
B. Esta
Today, mariachi bands usually feature at least four musicians. Often, they include as many as a dozen or more.