China sent up Shenzhou V manned spaceship into space successfully which shows science and

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。