—I'm sorry, but there's no smoking room in this section on the train.

—Oh, I _____ that, and I won't smoke again.   [ ]

A. don't know        

B. won't know      

C. didn't know      

D. haven't known

按照《五金交电家电化工商品的购销合同实施办法》规定，供方错发到站、中转单位、收货单位及接货人，与需方同城的，由需方就近解决。供方应承担（）。

A、违约金

B、货物损失

C、由此造成的损失和费用

D、中国人民银行规定的罚金