单选题 I could tell he was surprised from the______ on his face.
【正确答案】 C
【答案解析】解析:expression n.(面部)表情,脸色。appearance n.外貌,外观;出现,露面。sight n.视力,视觉:情景,奇观;(pl.)风景,名胜。feature n.特征,特色:(pl.)面貌,相貌。