Imagine you visit the pharmacy to pick up some vitamins. A man who appears to have the flu is sitting in the waiting room, looking miserable and sneezing frequently. He tries to cover his mouth when he sneezes but doesn't always catch it in time. What's the fewest number of feet you should maintain between yourself and the sick man to avoid direct exposure with saliva droplets from his sneezes? O A. Twenty feet. B. Three feet . O c. One foot O D. Six feet