China sent up Shenzhou Ⅸ manned spaceship into space successfully which shows science an

问题补充：

China sent up Shenzhou Ⅸ manned spaceship into space successfully, which shows science and technology rapidly in China.

A. have been developing

B. have developed

C. has been developed

D. is developing

答案：

A. have been developing

B. have developed

C. has been developed

(答案→)D. is developing

解析：本题考查动词的时态。根据句意，中国成功的发射神州9号载人飞船进入太空，这表明中国的科学技术正在快速发展。说的就是现在的情况，因此用现在进行时态更准确。science and technology作主语，谓语动词用单数，本题应该选D。