Your Friend Lyn Has Been Prescribed an Antibiotic for a Sinus

Your friend Lyn has been prescribed an antibiotic for a sinus infection.She is concerned that the antibiotic will kill off the "good" bacteria in her gut and has not even started taking it,despite being very uncomfortable from the infection.What probiotic yeast could she take to prevent the diarrhea that is sometimes associated with antibiotic use?

A) bifidobacterium
B) akkermansia muciniphila
C) lactobacillus
D) saccharomyces boulardii