Definition: In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
Input: The teacher at the front of the classroom was reading from a laptop. For a student in the middle of the class, the teacher's laptop looked larger than (A) the projector screen behind the teacher (B) a laptop held by a student walking outside the window (C) the student's own laptop (D) a neighboring student laptop
Output:
B