单选题
The information was later admitted ______ obtained from unreliable sources.
A、
that it was
B、
that it has been
C、
to be
D、
to have been
【正确答案】
D
【答案解析】
[解析] admit后面可以跟带to be的复合结构，跟不定式完成式被动态表示在谓语动作之前已经完成的动作。
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