The definition of hygiene says cleanliness. A does not have to do with that. B does because keeping that clean prevents food diseases like salmonella. C has nothing to do with hygiene. D has nothing to do with being clean. So the answer would be B. I hope this helps!
Hygiene consists of a set of rules and techniques regarding the preservation of health and disease prevention in the human being organism, through the cleaning, disinfection and conservation of instruments, spaces and objects. According to this concept hygiene is promoted by cleaning and disinfecting things. For this reason, we can state that, among the options given in the above question, cleaning food preparation surfaces is a hygienic activity.
