i dont have the words so im sorry i cant help u unless u give the words ill help as much as ia can
La respuesta correcta sería ... B, miramos. Ricardo y Alberto miramos las pinturas en la exposición.
the first reason why could be to talk about what yo want as a carrear in the future, for instance yo quero <em>ser </em>un doctor.
the second reason why is to show an action you will do in the future, for instance yo voy a ser un torta, is talking about how in the future you will make a cake.
(Cual = Which one), (Es=is), (El= the), (Colectivo= collective), ( De = of) ,(Cantante= singer), ( Y= and) , ( Estrella= star). So your sentence in English will be ( Which one is the collective of singer and star).