Is the word antecedent used correctly? "the antecedent of they, them, and their must be a plural noun". btw antecedent is referring to the grammar definition.

Ow does the author reveal katina's initial excitement about her internship? a) by showing how katina responds to conflict b) by describing how katina felt at the end of the day c) by showing how katina interacts with other characters d) by describing how katina selected her clothes with care

What is central purpose of the letter

What is the reasoning in this argument?