A. observance of the law is necessary for redemption in Christ
B. what God truly rewards is the prayer for grace by Christians
C. observance of the law only isn’t a guarantee of salvation
D. God’s grace in Christians’ lives shouldn’t be a reason for continuing in sin

Correct Answer: Option C

C. observance of the law only isn’t a guarantee of salvation

Explanation

To St. Paul, strict observation of the law cannot guarantee salvation, what God truly rewards is faith, using the example of Abraham to support this.