What is the antecedent for the pronoun "It" in the following passage?

The sixth-grade students liked volunteering their time to read to the elderly people in the hospital. It made them happy.

Respuesta :

Answer:

Sixth grade students

Explanation:

An antecedent can be regarded as words that is been replaced by a pronoun or reffered to. From the question we can see that " it " replaced

"Sixth grade students" . Then "Sixth grade students" serves as anticidents for " it"