问题
选择题
About 187 passengers were reported _____ the shipwreck which happened last month.
A．to have been survived
B．having survived
C．to have survived
D．to survive
答案
答案：C
题目分析：考查不定式的完成式：句意：大约187个乘客在上个月发生的船只失事中幸存。这句话使用了：Sb is reported to have done结构，使用不定式的完成式，表示“在报道之前，有人幸存”，选Ｃ。