The correct answer is C) It was predetermined by God who was going to receive salvation.
What was at the center of the religious doctrine of John Calvin was "It was predetermined by God who was going to receive salvation."
This concept can be summed up as "predestination." His doctrine was also known as Calvinism, in which the main idea was the omnipresence of God in all things.
John Calvin (1509-1564) was a Protestant reformer who continued with the legacy of Martin Luther and became a religious leader followed by many people in Geneva, Switzerland, and Germany. His work transcended the religious influence and he became a political influence in his time.