This question is based on selected poems from Wole Soyinka (ed.) Poems of Black Africa and D.I Nwoga (ed) West African Verse.
The oilbean in Christopher Okigbo's 'The Passage refers to

• A.one of the totems of Idoto
• B.the only totem of Idoto
• C.the abundance of oilbean trees by the river
• D.the use of the oilbean for magical purposes
• E.