Sincethe1980s,thescientistshavedevotedthemselvestother...
来源：语文精选馆 3.31W
问题详情：
Since the 1980s, the scientists have devoted themselves to the research _______ finding a new cure for the disease.
A. setting foot in B. ended up with C. starting with D. aimed at
【回答】
D
知识点：动词
题型：选择题
