Context: When Derek joined her , the door man unhooked the rope to let them through , still watching Lucy with undisguised lust as they walked in . A look of utter confusion shown on Derek \'s features as they were granted entrance into the club . He draped an arm over Lucy \'s shoulders and they made their way through the crowds of people . " So how \'d you do that ?
Question: What may be the reason for Derek 's confusion ?
Option 0: He did n't understand how they were able to get in so fast .
Option 1: He did n't understand why he was let in with her .
Option 2: He did n't understand why they were there .
Option 3: He did n't understand why he bothered coming .
Answer: 0