The Swiss reformer who insinuated that God already predestined those eligible for salvation is: John Calvin.
The changes that the Catholic Church made during the Catholic Reformation is: "It provided penalties for corruption among the clergy" (Option D)
What happened during the Catholic Reformation?
The Catholic Reformation was a religious movement that occurred throughout Europe in the 1500s.
Its goal was to reform the Catholic Church's corruption, which culminated in the birth of Protestantism, a prominent branch of Christianity.
Hence, option D above is the appropriate answer as it speaks to the creation of a more disciplined clergy.
Learn more about the Catholic Reformation at;
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