By the Early 1900s, the "Power of Advertising" Was Based

By the early 1900s, the "power of advertising" was based on the reality that consumers are willing to

A) accept what an advertiser claims without questioning or even considering it.
B) listen to long and detailed sales pitches even if they don't believe them.
C) pay more for brands than unmarked commodities even if they are identical.
D) buy products they don't need and don't want if the ads make them appear glamorous and luxurious.