(3 Averigua costumbres de las comunidades afrocolombianas y selecciona las que mas te
llamen la atencion

Ithink d would be correct

It is useful for historians to write narratives so that history can be passed on from their point of view.  think about a story being told in third person, then think about it again being told in first person, by someone who actually experienced the event.

Ibelieve it is- a mixed economy offers some protection for consumer rights but still allows a good deal of choice.