甲公司准备实施一个大型建设项目的管理任务，为提高项目组织系统的运行效率，减少项目组织结构的层次，该公司决定设置纵向和横向工作部门。

组织结构模式可用组织结构图来描述，组织结构图反映一个组织系统中各组成部门之间的（）关系。

A．劳务关系

B．任务关系

C．组织关系

D．合同关系

The process of gaining or losing weight can be explained by comparing your body to your car. Both run (51) fuel, food for your body and gasoline for your car. Both (52) that fuel, first into heat, then energy, some of (53) is used to do work, and some emitted as waste. And (54) your car uses more energy when the engine is racing than when it is idling, (55) does your body use more energy when you are working hard than (56) you are resting.

For the purpose of this comparison, (57) , there is one significant difference between them. Your car cannot store fuel by turning it into (58) else; all gasoline not (59) remains as gasoline. But your body stores (60) energy as fat. When the gas tank is completely empty, the car won’t run; but your body can burn fat to provide more energy.

56().

A.that 

B.since 

C.when 

D.where