Final answer:
The indefinite article 'some' in English is represented by the plural form of the indefinite article 'a' or 'an', which is 'some'. In the given options, the indefinite article that means 'some' is 'unos', which is the plural form of 'una'.
Step-by-step explanation:
The indefinite article 'some' in English is represented by the plural form of the indefinite article 'a' or 'an', which is 'some'. It is used when we are referring to an unspecified number or quantity of something.
For example, if we say 'I ate some apples', it means that I ate an unspecified number of apples.
In the given options, the indefinite article that means 'some' is unos, which is the plural form of 'una'.
Learn more about indefinite article 'some'