What phylum of fungi is found on the surface of an orange stored for a long time?

When you store an orange for too long, the fruit sometimes develop soft rot with a white “fuzz” on the surface. This “fuzz” is really the reproductive structures from the a) Deuteromycota b) Basidiomycota c) Zygomycota d) OOmycota e) Ascomycota, which letter is the correct answer?