The sentence that shows pronoun and antecedent agreement is A. The school board is planning its programs for big merged schools where the teachers and principals are responsible for curriculum development.
Explanation:
A <u>pronoun</u> is a word used to stand for a noun. Whenever a pronoun its introduced, it must <u>agree</u> in number -singular or plural form- to its antecedent, that is the noun its making reference to. In the case of sentence A, the pronoun <em>its </em>agrees with its antecedent <em>the school board</em>. Therefore, sentence A is the correct answer.
Adverbs are words that are typically used to describe verbs(or actions). In the sentence, “Jack was talking loudly.” Loudly is the adjective/ modifier of the verb talking.