Take these to the clerk. Here 'these' is ____?

Demonstrative pronoun

Indefinite pronoun

Possessive pronoun

None of these

'These' is a demonstrative pronoun because it points to specific things (in this case, objects being taken to the clerk).

Indefinite pronouns (e.g., someone, anything) do not specify particular items.

Possessive pronouns (e.g., his, theirs) show ownership.