In lines 1-6, the narrator says that he feels a “vast yearning” and that his emotions are “complicated.” He explains that he does “not understand quite what it is that the yearning desires.” In this con-text, his emotions are “not readily verifiable,” or not completely understood.
Choices A, B, and C are incorrect because in this context, “not readily verifi-able” does not mean unable to be authenticated, likely to be contradicted, or without empirical support.