“Our brand is selling just like hot cakes,” said the director with a expression on his f

网友回答

A. satisfying
B. satisfaction
(答案→)C. satisfied
D. satisfactory
解析：考查词性辨析。satisfy满意，是动词；satisfaction是名词；形容词satisfying和satisfactory修饰物，意为“令人满意的”；satisfied满意的，修饰人。expression表情，指的是人，a satisfied expression一个满意的表情，故选C。