单选题 The limited area was already full of exasperated engineers of various types, some looking ______, some angry, and some staring into space as they tried to think.
【正确答案】 D
【答案解析】解析：句意：狭小的空间挤满了愤怒的工程师，有的看起来很沮丧，有的很生气，有的凝视着天空思考。dejected沮丧的，失望的。rejected被拒的。abject卑鄙的。injected充血的。