All of us were at the news.
A. frustrating, frustrating
B. frustrating, frustrated
C. frustrated, frustrating
D. frustrated, frustrated
网友回答
A. frustrating, frustrating
B. frustrating, frustrated
(答案→)C. frustrated, frustrating
D. frustrated, frustrated
解析：考查形容词。frustrating令人沮丧的； frustrated（感到）沮丧的。句意：听到令人沮丧的消息，我们所有的人都感到沮丧。