The correct answer to this question is B, Pretty In Punk. Infinity On High is the third album from group Fall Out Boy. It was released on Island Records on February 6, 2007.On this album, the traditional rock band experimented with different genres such as R&B and soul. They also used different instruments including violins and pianos.
Different artists and producers such as Babyface and Jay Z were also featured on the album. For this album, the band went on several tours to promote it and it worked. Infinity On High became the bands first number one album and went on to sale 250,000 the first week.