The correct answer is realistic!
The correct pronoun to be used in order to complete the sentence is the pronoun "she". So the complete sentence should be "She was elected to choir office", not the pronoun "it", because the verb "elected" only refers to a person. "It" can't be used to agree with the given verb.
Answer:
A. a statement of the position you will attempt to prove
A. develop highly effective public speaking skills
Answer:
I think it's the introduction to the essay