问题
选择题
_____ he was very tired, he continued working in his office.
A．Since
B．Although
C．As soon as
D．Because
答案
答案：B
题目分析：句意：尽管他非常累，他继续在他的办公室工作。A. Since 自从； B.Although 尽管； C. As soon as 一......就......；D. Because因为。此处tired“累”与continued working“继续工作”之间表示转折关系，故用连词Although。故选B。