One way to catch a______ of the future is_____ some of the major trends in contemporary society.
问题描述：
One way to catch a______ of the future is_____ some of the major trends in contemporary society.
A.glimpse; by examining B.sight; to examine C.glimpse; to examine D.sight; examining
请问为能选A吗?
是选哪个?为什么其它是错的?
答
C
如果是sight则应该是没有a的