What Does Apostolic Authority Mean in Connection with Biblical Authorship

Multiple Choice

What does apostolic authority mean in connection with biblical authorship?

A) Written by an apostle or an associate of an apostle who would have first-hand knowledge of Jesus and his teachings
B) Written by Jesus or the apostles
C) Message of the text has authority only for the apostolic generation
D) The authority of the apostles extended to non-biblical texts.