In general, humans are more resistant to fungal infections than they are to bacterial or viral ones. What makes a person more susceptible to a serious fungal infection? a. not eating a well-balanced diet that is high in fruits, vegetables, and whole grains
b. not getting sufficient exercise to ensure cardiovascular fitness
c. having an immune system that is compromised, for example by AIDS, diabetes, or chemotherapy
d. being exposed to a variety of pathogens all at the same time