问题
选择题
—I had been working till 4 a. m. to prepare a report for my boss.
—____________you look very tired.
A．No doubt
B．No hurry
C．No wonder
D．No need
答案
答案：C
No doubt毫无疑问，No hurry不急，No wonder难怪，No need没有必要，句意：我一直工作到凌晨四点为我的老板准备了一份报告。难怪你看起来非常累。故选C。