Task: Class Relation Understanding (ontology: Food_Agriculture/PlantOntology)

Which of the following classes is one valid superclass of 'non-vascular leaf meristematic apical cell'?

A. gametophore meristematic apical cell
B. cell death stage of secondary xylem
C. branch procambium
D. leaf meristematic apical cell

Answer: gametophore meristematic apical cell