The physician was becoming exasperated with all the questions they were asking.
【正确答案】 C
【答案解析】解析:句意:这个物理学家被他们提的问题激怒了。exasperate激怒,触怒。irritate使发怒,使急躁。frustrate使沮丧。perplex使迷惑,使混乱。cripple使残废,使跛;毁坏严重。