问题
选择题
—Look! The boy is just wearing a shirt in cold winter.
—How poor! It’s said that his parents _____ since he was 3 years old. Maybe we should give him a hand.
A．have been dead
B．have died
C．died
D．die
答案
答案：A
题目分析：句意：看，那个男孩在寒冷的天气只穿一件衬衫。真可怜，据说他的父母在他3岁时就去世了，也许我们应该帮他一把。since自从，主句用延续性动词的现在完成时，故选A.