问题
选择题
China sent up Shenzhou VII manned spaceship into spaceship successfully, which shows that science and technology ______ rapidly in China.
A．has been developing
B．develops
C．developed
D．has developed
答案
答案：A
表示过去发生，一直持续到现在的动作用现在完成进行时。
【标签】动词时态