Although some unexpected difficulties have ________ in the process, we are confi

题型：不详难度：来源：

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

C

解析

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。