'Which of the following correctly describes basidiomycetes?

A) They are sometimes called "spade fungi."
B) Basidia serve a function that is distinct from that of the asci of ascomycetes.
C) Each basidium undergoes meiosis to form two basidiospores.
D) Basidiospores develop on the inside of the basidium.
E) Hyphae of a primary mycelium consist of monokaryotic cells.