Which of the following is a central teaching of christianity? jesus brings spiritual salvation to believers. forgiving others is not important. god the poor, so man does not need to. martyrs are the only true believers.

As a Christian, I know this one and can automatically eliminate b, c, d.

Jesus brings spiritual salvation to believers. This was His entire purpose of dying on the cross at Calvary and resurrecting 3 days later.

The reason B can be eliminated is because forgiving others is very important and Christ teaches on this several times.
C can also be eliminated because while yes, God helps the poor, it's also mankind's job to help others in need.
D can be eliminated as well because while yes, martyrs are true believers, not all true believers are martyrs.