Context: while junsu was talking , trying to soothe mrs . jung , he felt yoochun lean in closer and wrap an arm around his waist.his breath caught , and he nearly missed the question , " junsuyah ? do n\'t lie to me . who \'s jaejoong ?
Question: Why did Mrs. Jung ask Junsu about Jaejoong ?
Option 0: Mrs. Jung asked Junsu about Jaejoong because she does n't understand his relationshi with Yoochun .
Option 1: Mrs. Jung asked Junsu about Jaejoong because Jaejoong told her Junsu and Yoochun are together .
Option 2: Mrs. Jung asked Junsu about Jaejoong because she thinks Junsu is cheating on her .
Option 3: Mrs. Jung asked Junsu about Jaejoong because she thought Yoochun was Junsu 's lover .
Answer: 2