Which sentence correctly uses a nominative case pronoun?

A.

The girl on the left is her.

B.

Did Isaac and him find the missing game controller?

C.

Ralph and them are waiting for us at the Metro station.

D.

The boys were Max and I on the trampoline.

Nominative case pronouns are pronouns that are generally used as the subject of the sentence. These pronouns are always the direct doer of the action (verb). Nominative case pronouns include I, you, he, she, they, it and we. The sentence that correctly uses a nominative case pronoun is: The boys were Max and I on the trampoline. The correct answer is option D.