【题目】Cao Cao's tomb is reported ______ in China, which attracts nationwide attention.
A.being found
B.to be found
C.having been found
D.to have been found

【答案】D
【解析】考查不定式的完成式。句意：据报道曹操墓已经在发现了，这件事情吸引了全国的关注。Sth be reported to do sth“据报道做某事”。不定式的动作发生在谓语动词之前，则要使用不定式的完成式。故选D。