B: Distal to the vestibule → respiratory region/nasal airway proper pic
C: Inferior to the hiatus semilunaris → uncinate process pic
D: Posterior to the middle concha → sphenoid sinus pic
E: Proximal to the fusion of the hard and soft palate → horizontal plate (of palatine bone) pic
F: Superior to the superior concha → sphenoethmoidal recess pic
*I was really conflicted on what this could be referring to. Ultimately, I thought angular artery aligned the best with being anterior to the nasolacrimal duct, but I'm not 100% sure.