In the mid-1960's a newly installed radar warning system the mistook the rising of the moon as a massive missile attack by Soviets (A) rising of the moon as a massive missile attack by the Soviets (B)rising of the moon for a massive Soviet missile attack (C)moon rising to a massive missile attack by the Soviets (D)moon as it was rising for a massive Soviet missile attack (E)rise of the moon as a massive Soviet missile attack 答案是B,其中，这里rising是作名词使用吗？我查过词典，里面讲rising是形容词，怎么回事？ | 
