With social extensions, how are +1s calculated for your ad and Google+ page

With social extensions, how are +1s calculated for your ad and Google+ page

A) Any +1 on your ad is displayed as a part of your display campaigns, but has no bearing on oyur quality score or AdRank
B) Any +1 on your ad applies to your Google+ Page as well. All +1s from your Google+ Page are also applied to your AdWords ads
C) Only +1s from your Google+ page are showing in the count that is visible on your ad
D) Only +1s from your ads are calculated, your Google+ page is considered a separate campaign

Answer - Only +1s from your Google+ page are showing in the count that is visible on your ad