Unless all the members agree to ______ to the plan, there may be further development in the course of action.
【正确答案】 B
【答案解析】除非所有成员都同意坚持这个计划。否则行动过程中会有进一步改进。A. tumble to“突然察觉” B．stick to“坚持。坚守”C．come to“降临，发生”D．adjust to“调整．适应”