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

Which of the following classes is one valid superclass of 'gametophore reproductive whole plant development stage'?

A. 2.01 main shoot and axillary shoots visible at one node stage
B. 2.03 main shoot and axillary shoots visible at three nodes stage
C. 2.04 main shoot and axillary shoots visible at four nodes stage
D. gametophyte reproductive stage

Answer: gametophyte reproductive stage