You can win a higher ad position in the auction with a lower cost-per-click (CPC) bid by:

129) You can win a higher ad position in the auction with a lower cost-per-click (CPC) bid by:

   A)  creating ads that include terms or phrases people are searching for
   B)  creating relevant ads and keywords, but not using ad extensions
   C)  creating ads that link to a generic landing page
   D)  creating relevant keywords and ads, and using ad extensions