Grouping similar keywords together in an ad group will:

Grouping similar keywords together in an ad group will:

A) ensure that the ads and keywords in that ad group are approved
B) allow an advertiser to creae ads relevant to those keywords
C) keep an advertisers average cost-per-click (CPC) within a narrow range
D) allow an advertiser to use only broad match keywords

Answer - keep an advertisers average cost-per-click (CPC) within a narrow range