问题
选择题
They came back from their long walk and went into bed, .
A．tiredly but relaxing
B．tired but relaxing
C．tiredly but relaxed
D．tired but relaxed
答案
答案：D
题目分析：句意：他们从长距离步行后回来，就上床睡觉了，累但是很放松。tire和relax都是及物动词，分别意为“使人疲劳”；“放松”，这里是形容词作状语说明主语的特征，选D。