Answer:
<em>ten years</em>
<em>ten yearsOdysseus lives about sixty years roughly, and of these he spends thirty abroad — the years of his maturity. He leaves Ithaca as a hardy young man to take part in the Trojan War, which lasts ten years.</em>
A predicate nominative because "one" follows the verb "to be- was (past tense). A predicative nominative alwasys follows the verb to be in al of its forms and one should view it as "equals", as in, Langston Hughes equals on of the greatest poets of the Harlem Renaissance. A predicative adjective must modify the subject and is linked with a verb, but in this sentence "one" does not modify Hughes. Another trick for remembering is that if you were to switch the order of the sentence, it would still make sense; "One of the greatest poets of the Harlem Renaissance is Langston Hughes."
The answer is D, they are both derived from greek and latin roots