This order must be completed by Friday；___________ , you may hav

This order must be completed by Friday；___________ , you may have to work late Thursday.
A、consequent
B、or
C、otherwise
D、therefore
【正确答案】：D
【题目解析】：consequent意为”合乎逻辑的“；or意为”或者，否则“；otherwise意为”否则“；therefore意为"因此”；根据句意这个订单必须在星期五之前完成，因此，你可能要在星期四工作到很晚，故选D。