It is often said that the joy of travelling is ____ in arriving at your destination ____ in the journey itself.[ ]

A. /; but

B. /; or

C. not; or

D. not; but

发动机下DU上显示为状态页面,若在EICAS控制面板上按下STATUS键,下DU会:（）

A、下DU显示发动机次要参数

B、仍显示状态页面

C、变为空白

D、发动机主参数