It must be understood that neither by word nor deed had i given fortunato cause to doubt my good will

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a

if you listed your answers right then i believe your answer is b.