We sat on the top of the mountain to watch the sun _ early in the morning A,rise B.rose C.to rise
问题描述：
We sat on the top of the mountain to watch the sun _ early in the morning A,rise B.rose C.to rise
D.risen
答
A
watch the sun rise 看日出为什么是rise?watch ....do sth观看某人做某事 （全过程）watch ……doing sth 观看某人正在做某事（正在做）句意是：我们一清早坐在山顶看日出。（指看日常的全过程）