Brock (1965)found That Paint Store Customers Were More Influenced by the Testimony

Brock (1965) found that paint store customers were more influenced by the testimony of an

A) ordinary person who recently bought the same amount of paint as them.
B) expert who recently bought 20 times as much as them.
C) ordinary person who recently bought 20 times as much as them.
D) expert who recently bought the same amount of paint as them.