Is there any choices? A nosotros nos gustan las frutas.
The question asks whether you would like to go to a concert or would like to listen to music.
you can write:
Yo quiero ir a un concierto
or:
Yo prefiero escuchar la música en casa.
it is none of these actually it means it looks like it is
The answer is b that would not be proper grammar
I am cuban ;)