Final answer:
The main theme that supports Christianity in 1 Peter 3:13-17 is the hope of resurrection.
Step-by-step explanation:
The main theme that supports Christianity in the verse 1 Peter 3:13-17 is b) The hope of resurrection.
1 Peter 3:13-17 says, "But in your hearts revere Christ as Lord. Always be prepared to give an answer to everyone who asks you to give the reason for the hope that you have. But do this with gentleness and respect, keeping a clear conscience, so that those who speak maliciously against your good behavior in Christ may be ashamed of their slander. For it is better, if it is God’s will, to suffer for doing good than for doing evil."
This verse highlights the importance of having hope in the resurrection of Christ and the duty of sharing that hope with others. It encourages believers to be prepared to explain and defend their faith in a respectful manner. The hope of resurrection is a central theme in Christianity, as it represents the belief in eternal life through Jesus Christ.