John has been having difficulties getting out of bed, is not interested in going out with friends, and does not even answer the phone. He has let a number of bills go unpaid, he is sleeping 12 to 14 hours a day, and he cannot concentrate at work. He has called in sick to work at least once each week. John is MOST likely suffering from disorder. Please type the correct answer in the following input field, and then select the submit answer button or press the enter key when finished.

Steven spielberg's classic movie jaws was a thriller about a great white shark that terrorized tourists at a local beach. just before the shark's appearance, eerie music began playing. as the unseen shark came closer, the tempo of the music picked up. after the audience had experienced this a few times, the sound of the music triggered the emotional reaction of fear in the audience even though the shark still had not appeared. at that point, the sound of the eerie music was a: a) unconditioned response (ucr) b) conditioned response (cr) c) conditioned stimulus (cs) d) unconditioned stimulus (ucs)