问题
选择题
People complain that decisions to approve or deny a permit are often ____ rather than based on fixed criteria.
A．arbitrary
B．conscious
C．appropriate
D．controversial
答案
答案：A
题目分析：句意为：人们抱怨决定批准或拒绝许可通常是任意的,而非基于固定标准。arbitrary adj 任意的，武断的；conscious adj 意识到的，有意识的；appropriate adj 适当的，合适的；controversial adj 有争议的，有争论的。由句意可知应为A。