Question

select the antecedent of the pronoun them. the women at the store looked really familiar, but henry couldnt remember how he knew them.

Explanation:

The antecedent of a pronoun is the noun (or noun phrase) that the pronoun refers back to. In the sentence "The women at the store looked really familiar, but Henry couldn't remember how he knew them", the pronoun "them" is a plural pronoun. We look for a plural noun that "them" could be replacing. The noun "women" is plural, and in the context of the sentence, "them" is referring to the women at the store.

Answer:

women