If you（ ）in a spaceship high above the earth, where there is no air to scatter the sunlight, you would find the sky pitch-black.
A、
riding
B、
rode
C、
will ride
D、
would ride
【正确答案】：B
【题目解析】：
本题考查虚拟语气，对现在的虚拟用过去式，选B。句意：如果你乘坐一艘高过地球的宇宙飞船，那里没有空气来散射阳光，你就会发现天空一片漆黑。