单选题
He is too young ______ the old society.
[A] to see [B] to have seen [C] to seeing [D] to having seen
【正确答案】
B
【答案解析】[解析] “too...to...”是固定结构，意为“如此…以至于”，to后常跟动词原形，由此可排除[C]和[D]。又因为时间词the old society(旧社会)，所以用不定式的完成式(to have seen)表示该动作发生在谓语动词is之前，故答案为[B]。