If you see a personal pronoun in a sentence, what can you conclude about it?

AIt's taking the place of a noun or another pronounincorrect answer
BIt's taking the place of a verbincorrect answer
CIt's taking the place of an adjectiveincorrect answer
DIt's taking the place of an adverbincorrect answer

The correct answer is A. It's taking the place of a noun or another pronoun.