A) aceitunas means olives and i know paella has olives in it.
In 1999 the Chilean peso was allowed to ... (meaning that its value was directly tied to the value of) the Spanish real. ... Chilean Peso Symbol: $; Chilean Currency
En la plaza de la la ciudad, vieron un hombre solo. - A una persona y nadie mas.
That's the right answer. It is lo since the object is masculine :))