the distance was too long and the time was short we decided to fly there instead.A. Disc

问题补充：

the distance was too long and the time was short, we decided to fly there instead.

A. Discovering

B. To discover

C. To have discovered

D. Discovered

答案：

(答案→)A. Discovering

B. To discover

C. To have discovered

D. Discovered

解析：考查非谓语动词用法。 we是discover动作的发出者，而且这两个动作几乎同时发生。