They press him, ‘What then?’ If you are not the Christ, are you Elias, Elijah?’ They ask this because the Jewish people at that time took too literally the prophesy of Malachi, which says Elijah would come before the Christ. They did not realise that, not literally Elijah, but someone rather like Elijah for forcefulness and vehemence and outspoken boldness, somebody who was very spartan like Elijah, very simple in lifestyle would come first.