frustrate与frustrating的区别

frustrated a。灰心的,沮丧的 (修饰人)
e。g。I felt frustrated at that time。那时我觉得很沮丧。
frustrating a。令人灰心的,令人沮丧的。(修饰物,事件)
e。g。Watching movies to learn English is frustrating because the people speak too quickly。
通过看电影来学英语是让人灰心的,因为剧中人物说话太快了。
类似的还有:interesting令人感兴趣的 disappointing令人失望的；interested 感兴趣的 disappointed 失望的
自测：
All of us were _____at the ____news。
A。frustrated,frustrated
B。frustrated,frustrating
C。frustrating,frustrated
D。frustrating,frustrating
。
。
。
。
。
。
。
答：B