question. "What do you think about the two candidates in this election?" is an example of a(n) a. impersonal c. close-ended b. open-ended d. none of these

d.none of these

Explanation:i would choose that because none of those anwsers reasonable

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."

maybe i could if you provided more information, such as a image of the text? (;