12 . was
13 . was
14.were i think was though as the same time
15.were
Answer:
Option C,
Memorized passages, or "set pieces" elements helped the rhapsodes remember
and recite the poem
Explanation:
The poem was massive and in order to recite it properly during live show, rhapsodes adopted a strategy of using a steady meter and some mnemonic devices such as repeating the Memorized passages, or "set pieces". Mnemonic devices helps in retaining information for a long period of time.
Hence, option C is correct
