China's first large passenger plane C919 flew successfully on May 5. -Yes. What's more, it was built on our own in Shanghai. ( )
A.China's first large passenger plane C919 flew successfully on May 5. -Yes. What's more, it was built with some help in Shanghai. B.China's first large passenger plane C919 flew successfully on May 5. -Yes. What's more, it was built from our friends in Shanghai. C.China's first large passenger plane C919 flew successfully on May 5. -Yes. What's more, it was built by ourselves in Shanghai.正确答案C
