According to ad policies, what types of words, phrases, or characters can not be included in an AdWords text ad?
A. Ads can’t use exclamation points (!) or question marks (?).
B. Ads can’t use call-to-action phrases such as "click here", or "See this site."
C. Ads cannot contain words that are not directly related to the keyword that the ad is targeting.
D. All of the above.