Why is adding quotation marks around a keyword or search phrase useful in grant-funding research?

Why is adding quotation marks around a keyword or search phrase useful in grant-funding research?

• A. It helps the search engine return broader results.
• B. It hides exact phrases.
• C. It tells the search engine that you want results containing the exact phrase.
• D. It returns results with partial word matches only.

Answer: (C)