Which word in the sentence is a predicate nominative? Franklin D. Roosevelt was the only president of the United States to serve three terms.

A. president

B. three

C. only

D. terms

For me, the predictive nominative in the sentence is A. President.

Predictive nominatives are nouns or pronouns that follow a linking verb, in which the linking verb in this sentence is 'was'. It also refers to the subject of the verb, where the subject is 'Franklin D. Roosevelt' and the verb is 'serve'.