Answer:
a. a student decides to cut herself
the student decided to so then its obviously intentional
The elderly population makes up the highest percentage of health care users. the demand for care has increased, slowing the delivery process.
Since they are talking about brand recognition and popularity, I would say D. perception accounts for mediocre products trumping quality. People go with the product they know or they think more people are using because it is perceived as a better product even though it may not be.