Some Species of Fungi Are Part of the Normal Microbiota

Some species of fungi are part of the normal microbiota or normal microbial flora of a host organism.How does the immune system differentiate between "good" fungi and "bad" fungi?

A) Good fungi only reside in certain places and thereby will not trigger an immune response.
B) Good fungi are weakly virulent, whereas bad fungi are highly virulent.
C) Fungi are differentiated based on their cytokine production.
D) Low levels of any fungi are ignored by the immune system.
E) PAMPs such as motifs in peptidoglycan are used to mark fungal cells.