In the past few years, Chinese scientists great success in the field of space flight.
A. achieved
B. have achieved
C. won
D. had won
网友回答
A. achieved
(答案→)B. have achieved
C. won
D. had won
解析：考察时态及词义辨析.win赢得;achieve取得.句意:在过去的几年中,中国科学家已经在航天领域取得了巨大的成功.结合语境可知本句描述的是现在已经完成动作,故用现在完成时态,选B.