At the meeting,（ ）problems of（ ）unemployed were discussed in detail.
A、
/, an
B、
the, the
C、
/, /
D、
the, /
【正确答案】：B
【题目解析】：
第一个空为特指，第二个空the＋形容词指一类人，选B。句意：会上详细讨论了失业者的问题。
At the meeting,（ ）problems of（ ）unemployed were discussed in detail.
At the meeting,（ ）problems of（ ）unemployed were discussed in detail.
/, an
the, the
/, /
the, /
第一个空为特指，第二个空the＋形容词指一类人，选B。句意：会上详细讨论了失业者的问题。