Question

it) I represent millions of those children.
(Pick up the dererminers)​

Answer 1

those is answer............................

...Explanation:

A determiner is a word that comes together with a noun/noun phrase and expresses the context of that noun/noun phrase.

Articles, quantifiers, demonstratives are all determiners.

'All' is a quantifier that determines a totality.

'The' is an article that determines the noun 'world'.