问题
选择题
Having finished his morning work, the manager stood up behind his chair, _______ himself.
A．practising
B．spreading
C．stretching
D．extending
答案
答案：C
词义辨析。Practise练习；spread传播，展开；stretch伸展，张开；extend延伸，扩大。句意：完成了他的早课之后，经历从椅子后面站了起来，舒展一下自己的身体。故选C。