Answer:
D.
reference librarians
Explanation:
was right on my quiz
Most libraries have reference librarians who are experts in the materials that the library has available. Use them!
It is to be noted that a reference librarian is a person who works in a library as one who:
It is correct to indicate therefore, that the missing word is "Reference Librarian."
Learn more about reference librarians at:
https://brainly.com/question/1023162
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