Read the following context and choose the best option to answer the question.
Context: How could you say that ? Okay .... so maybe I am bitter , but do n't even try to tell me you would n't be . They always sit so impossibly close , as if they ca n't stand staying away from each other . every time we go on school field trips , my friends and I find seats near each other on the bus .
Question: What is a likely reason that the speaker feels bitter ?
Options: 
A. None of the above choices .
B. They notice the proximity of the other students to each other and feel jealous
C. They have been wanting to go on the field trip but their parents refuse to sign the form
D. No one will sit close to them and it makes them feel insignificant and inferior


B