Noble would be the answer
Nominative case pronoun would be a pronoun in its basic form, so: I, you, he, she, it, we, you, they...
So, the correct answer is A, 'I' is a nominative case pronoun, whereas the other examples only have objective case pronouns: them, him, her.
"Gabe?" The new child stirred slightly in his sleep. Jonas looked over him " There can be love", Jonas whispered.
Hope this helps