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.
I have done this before and If I remember correctly the answer was
B) Consider how you would feel if you suddenly had a rare fortune
Hope this helps
You could avoid using contractions such as don't
revised:
"I am not the best in math. Why? I do not know."
Hope this helps! :)
