Scientists have ( ) many new methods of increasing the world's
Scientists have ( ) many new methods of increasing the world's food supply.
A、put up with
B、caught up with
C、 brought up with
D、come up with
【正确答案】:D
【题目解析】:put up with忍受;caught up with赶上; brought up with带来了;come up with提出;想出
句意:科学家们提出了许多增加世界粮食供应的新方法。