The evangelists are the as expressed through the translation of the word from the greek.

Answer is: messengers (bearers) of the good news.
The word "evangelism" comes from the Greek word "euangelizomai", which means "to bring Good News. Evangelism is intention of exposing God's love through Jesus Christ. Christians who specialize in evangelism are known as evangelists.

Iam not sure but to me it with be a or dsorry if i was late! hope this ! : )if you really want me to find out the answer that is correct tell me and i will do more research but the a or d makes sense to me.