Given this text: "In his statement to the papers, Santmyer argued that someone else must have put it there, that Parsons would not have disposed of highly dangerous explosives at the last minute, nor would he have prepared them for transportation on a long drive into Mexico, as everything he needed to produce fulminate of mercury could be easily purchased once he arrived there.". Which cefr level fits best: A1, A2, B1, B2 or C1?
b2