Having finished his morning work, the manager stood up behind his chair, ________ himself．

Having finished his morning work, the manager stood up behind his chair, ________ himself．

A.practising

B.spreading

C.stretching

D.extending

答案及解析： C

解析：

本题考查动词词义辨析及用法。stretch表示“伸(手)；

撑”，由曲而直或由短而长地伸展；

practise表示“实践，练习”；

spread表示“铺开，展开，伸展，延伸”等；

extend原意为直线地“伸展”，引申为“扩展(势力、范围等)”。