They prey on human emotion
Our five senses are our sense of sight (also known as vision), smell (olfaction), hearing (audition), taste (gustation), and touch (somatosensation). A sense is our ability to detect stimuli which are then interpreted and responded to accordingly.
There isn't really a right answer to this, it's more opinion based. What did you cover in class? If its relating to foodborne illness and sanitation then you could say, "One fact that I thought was most important was to avoid cross contamination with certain foods like poultry or raw eggs"
I would say C because you would need to be able to decipher what the work was trying telling you.