But the unpleasant feeling of coldness disappeared at the of his students pouring out of their classroom to give him a warm, wordless wele.
A. sight
B. scene
C. view
D. Sign
网友回答
(答案→)A. sight
B. scene
C. view
D. Sign
解析：考查单词辨析。at the sight of sth.一看见...；scene场面，情景；view 视野；sign 标志
句意:但是那种寒冷的不舒适的感觉在一看见学生涌出教室热烈欢迎他的时候就消失不见了。