问题补充:
China sent up Shenzhou V manned spaceship into space successfully, which shows science and technology rapidly in China.
A. have been developing
B. develops
C. is developing
D. has developed
答案:
A. have been developing
B. develops
(答案→)C. is developing
D. has developed
解析:science and technology是一个名词短语——科技,是一个整体,故谓语动词用单数,排除A,根据句意,是说现阶段中国的科技正快速发展,故使用现在进行时。