A Saprobe Differs from a Parasite in That

A saprobe differs from a parasite in that

A) a saprobe has the ability to undergo meiosis to produce sexual spores, but a parasite can only perform mitosis to produce asexual spores.
B) a saprobe derives nutrients from dead plants and animals, but a parasite derives nutrients from living plants and animals.
C) a saprobe has a pseudohyphae morphology, but a parasite has true hyphae.
D) a saprobe is a fungus, but a parasite is a protozoan.