Question on: JAMB Literature - 2010

These question are based on selected poems from Ker, D.et al (eds.)New poetry from Africa; Soyinka, (ed.): Poems of Black Africa; Senanu K.E. and Vincent, T.(eds.): A Selection of African poetry;Umukoro, M et al (eds.): Exam focus:Literature in English: Eruvbetine, A.E.et al (eds): Longman Examination Guide and Nwoga, D.I. (eds.): West African Verse.

'yet in their finger upon Our navel
The midwives of the spirit say
They feel a foetal throb.
The dominant literary device used in the extract above from Acquahs'in the Navel of the soul is