Which of the Following Is True Concerning the Treatment of Phobias

Which of the following is true concerning the treatment of phobias using classical conditioning?

A) Persons fearful of flying will need to avoid flying as a way to reduce this fear.
B) Persons fearful of flying will need to associate flying with something pleasurable to reduce this fear.
C) Persons fearful of flying will first need to address the unresolved conflicts in their lives that are contributing to this phobia in order to eliminate the fear of flying.
D) Persons fearful of flying will first need to address their childhood conflicts that are contributing this phobia in order to eliminate this fear of flying.