It is a great honor for me ________ to make a speech on the situation in Tibet．

答案D
考查非谓语动词。It’s+adj/noun+to do sth是固定句型，此处it作形式主语，动词不定式作句子真正的主语，根据意思此处非谓语动词用被动式，选D。难度适中。