The goods are urgently needed. We _____ hope you will deliver th

The goods are urgently needed. We _____ hope you will deliver them immediately.
A、in the case
B、hence
C、therefore　
D、for
【正确答案】：B
【题目解析】：Hence 比较正式，多用于外交和商业文件书信之中。 所以这里应该选用 hence，而不是therefore。
句意：货物急需。希望贵方能立即发货。