Task: Property Constraint Reasoning (ontology: Sciences/Biology)

The property 'has plasma membrane part' applies to instances of 'material anatomical entity', and 'insect synaptic neuropil' is a subclass of 'material anatomical entity'. Which class can appear as the value of 'has plasma membrane part' for instances of 'insect synaptic neuropil'?

A. regulation of postsynaptic membrane potential
B. xenobiotic metabolite
C. organogenesis stage
D. material anatomical entity

Answer: material anatomical entity