it was not until the modern rocket was invented that the dream of man to fly to the moon ( ) true.
问题描述：
it was not until the modern rocket was invented that the dream of man to fly to the moon ( ) true.
A.has been coming
B.had come
C.came.
D,coming
答
B 这个题的意思是还没等到现代火箭的发明前 人们登月的愿望就已经实现了 这个登月愿望的实现在现在火箭发明之前 所以 这句话表示的是过去的过去 要用过去完成时 也就是had done的形式