Grouping similar keywords together in an ad group will ?

[Reddy Anil]

Question).  Grouping similar keywords together in an ad group will. (please tell me answer for this ) 

a). ensure that the ads and keywords in that ad group are approved.

b). allow an advertiser to create ads relevant to those keywords.

c). allow an advertiser to use only broad match keywords.

d). Keep an advertiser's average cost-per-click (CPC) within a narrow range.

[Danial Klimkin]

Hello Reddy,

Please clarify your question, unfortunately I can't understand what you are looking to achieve.

-Danial, AdWords API Team.