问题
选择题
Although some unexpected difficulties have ________ in the process, we are confident that we can handle them.
A.risen
B.raised
C.arisen
D.aroused
答案
答案:C
rise意为“上升”,为不及物动词;arise意为“出现,产生”,为不及物动词;raise意为“升起,举起”,为及物动词;arouse意为“唤醒,鼓励,引起”,为及物动词。句意为:尽管出现了一些意想不到的困难,我们相信我们能处理。