According to Research by Wells and Bradfield,how Are Eyewitnesses Influenced

According to research by Wells and Bradfield,how are eyewitnesses influenced by receiving feedback after making an identification?

A) They change the way they remember the initial event.
B) They become more confident in their accurate identifications but less confident of inaccurate ones.
C) They experience more positive emotion,but neither their memory nor their confidence are influenced.
D) They are influenced more strongly when there are identifying an individual from a different race.