When advertisers who are using cost-per-thousand impressions (CPM) bidding click on their own display ads, Quality Score:

When advertisers who are using cost-per-thousand impressions (CPM) bidding click on their own display ads, Quality Score:

A) is not affected because the clicks are automatically filtered out by Google’s Invalid Click technology.
B) improves for that placement because the cost-per-thousand impressions (CPM) bid decreases.
C) improves for that placement because the clickthrough rate (CTR) increases.
D) is not affected because CTR …

Answer: A