The correct option is B Lashkar-e-Taiba
The 2008 Mumbai attacks were a series of terror attacks between 26 November and 29 November 2008. 10 terrorists of the Lashkar-e Taiba organisation entered Mumbai armed with guns and bombs. They targeted civilians in many parts of South Mumbai. These terror attacks continued at three locations, the Nariman house, the Oberoi Trident hotel, and the Taj Mahal Palace and tower.