Alexander’s sculpture was taller than Kenji’s
The yearbook editor selected the clearest of the three photos.
Jessie was interested in both classes but she chose the more difficult one.
My handwriting is messier than my twin brother’s.
I predict that the winner will be the larger of the two wrestlers.
Either A or D I think. may want to have someone second that.
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.
Rank Mountain Height (m)
1 Kibo (Uhuru Pk) 5895
2 Mount Kenya... 5199 3825
3 Mount Kenya... 5188