885-section7-5~~求解释

一加heidy

5.The cameras of the Voyager II spacecraft detected six small, previously unseen moons circling Uranus, which doubles to twelve the number of satellites now known as orbiting the distant planet.
(A) which doubles to twelve the number of satellites now known as orbiting
(B) doubling to twelve the number of satellites now known to orbit
(C) which doubles to twelve the number of satellites now known in orbit around
(D) doubling to twelve the number of satellites now known as orbiting
(E) which doubles to twelve the number of satellites now known that orbit
答案选B，不明白为什么啊。。。。。

andrewstudio

ACE首先排除，因为which就近修饰，改变了句意。
D中be known as 意思是“作为……而闻名”，意思不对。
B中be known to do意思为“因为做……而闻名”。
所以答案是B。

一加heidy

恩恩，了解啦~~·