How does the account of Cornelius in Acts 10 challenge or expand upon the prevailing Jewish understanding of salvation in the early church?

A The story of Cornelius reaffirms the belief that salvation is exclusively for Jews, as Cornelius was required to convert to Judaism before becoming a Christian. B The narrative demonstrates that while Gentiles can be saved, they must still adhere to Jewish customs and laws, such as circumcision, to be fully accepted into the Christian community. C Cornelius's conversion signifies a pivotal shift in the early church's understanding, revealing that God's grace is available to all people, regardless of their ethnicity or adherence to Jewish law, challenging the notion that salvation is solely for the Jewish people. D The account of Cornelius emphasizes the importance of charitable deeds and prayer as a means of earning salvation, regardless of one's ethnic background or religious affiliation.