问题
选择题
______ he became seriously ill, he still went on working.
A．If
B．Unless
C．And
D．Even though
答案
答案：D
even though(="even" if) 从属连词，意为：“即使，即使……也……；”引导让步状语从句。even though引出的是事实，even if引导的含有强烈的假定性。故选D：Even though he became seriously ill, he still went on working.尽管他病得很严重，但他还是继续工作。