A Reference Librarian Might Ask You,"Where Have You Looked So

A reference librarian might ask you,"Where have you looked so far?" to find out:

A) how intellectually lazy you are,and how much help to give.
B) ideas for helping other students with similar assignments.
C) the right point to start helping you without being repetitious.
D) whether or not you have made a prior effort on your own.
E) whether you know about databases or are stuck on Wikipedia.