In Morris’ The Proud King; Jovinian assembled the throne when he was?

This question is based on Selected Poems from Johnson, R et al(eds): New Poetry from Africa; Soyinka, (ed); Poems of Black Africa; Senanu, K.E, and Vicent, T.(ed.):
A Selection of African Poetry; Gbemisola A.: Naked Soles; Hayward, J.(ed.); The Penguin Book of English Verse and Nwoga, D.(ed.): West African Verse.

A. poor
B. rich
C. young
D. old

Correct Answer:

Option C – young

Explanation

Joviniann ascended the throne when he was young.”Young was when he first sat on the throne”. Line 8