What Are the Criteria Used to Make a Diagnosis of Bacterial

What are the criteria used to make a diagnosis of bacterial vaginosis?

A) Clue cells on microscopic examination of wet mount, the presence of an amine odor when vaginal discharge is mixed with KOH 10%, an increased amount of white, homogeneous vaginal discharge and a vaginal pH of >4.5
B) Clue cells on microscopic examination of wet mount, the presence of an amine odor when vaginal discharge is mixed with KOH 10%, an increased amount of white, homogeneous vaginal discharge and a vaginal pH of <4.5
C) Hyphae on microscopic examination of wet mount, the absence of an amine odor when vaginal discharge is mixed with KOH 10%, an increased amount of white, clumpy vaginal discharge, and a vaginal pH of <4.5