The main feature of Zygomycotina is (). A: Hyphae are not separated, and sexual reproduction produces conjugative spores B: Mycelium is septum, sexual reproduction produces conjugative spores C: Mycelium is septum, sexual reproduction produces oospores D: Mycelium is septum, sexual reproduction produces ascospores

Direct microscopic examination of skin lesions without mycelium or spores can rule out fungal infections