We are not able to accept fresh orders because of heavy ________

We are not able to accept fresh orders because of heavy ________.
A、commissions
B、commitments
C、communications
D、communities
【正确答案】：B
【题目解析】：commission佣金，手续费；commitment保证，委托；communications通信；community团体，社区
句意：由于订货太多，我们不能再接受新订单。