According to the biography of Thomas Aquinas, he wanted to combine statements from the catholic church and Aristotel's ideoligy, so I would say that instead of gap there shoul be : Thomas Aquinas was <span>reconciling aristotle's logic with principles of the roman catholic faith.
I'm sure that helps even though you did not give the options.</span>
D. To allow the audience to recognize the reason they are here today
Hope this help you!