The options of the question are, A) Brads like Homer trained its successors. B) Milman Parry discovered the texts in Serbia in the early 20th century. C) The Greek alphabet became available around the time they were composed. D) The tradition of the Greek oral poetry did not die out.
The correct answer is D) The tradition of the Greek oral poetry did not die out.
The Iliad and the Odyssay have been preserved to the present day because the tradition of the Greek oral poetry did not died out.
Historians consider that the Homer stories haven conserved due to the oral tradition. This means that the Iliad and the Odyssay have been passing down by generations, using the word of mouth. There is such a few things known about Homer, the poet. One of those things that historians assume is that he wrote the two famous Greek poems, the Iliad and the Odyssay, both literature classics that have survived until modern days.