【题目】People complain that decisions to approve or deny a permit are often ______ rather than based on fixed criteria.
A.appropriateB.conscious
C.arbitraryD.controversial
在线课程【答案】C
【解析】
考查形容词辨析。句意：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。根据rather than based on fixed criteria.可知，决定批准或拒绝许可通常是任意的。故选C。