When the Art Gallery was being opened for the public, the Prime Minister was the first entering the gallery following other visitors.

A. was open to... entering the gallery followed with
B. was opened for... to enter the gallery following by
C. was opened to... to enter the gallery followed by
D. was to be opened for... entering the gallery followed with

关于飞行记录器测试组件上的OFF灯，不正确的说法是（）

A.系统有故障时OFF灯亮

B.系统不工作时OFF灯亮

C.如果系统正常则测试时亮

D.FDAU状态继电器可能导致OFF灯亮