Which of the Following Best Illustrates the Concept of "Limiting

Multiple Choice

Which of the following best illustrates the concept of "limiting" in searching databases for secondary information?

A) asking for a standard subject heading
B) asking for all cases where U.S. is adjacent to PRESIDENT
C) asking for all records that have dates from 2005 to the present
D) asking for all cases that have any ending to the root word STOCK
E) asking for a search in the author field