Grouping similar keywords together in an ad group will:

76)  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 create 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