A-A+
It was the first time that Mary was late. She
问题详情
It was the first time that Mary was late. She ______ up in the traffic.
A．could be held
B．can have been held
C．might have been held
D．might be held请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：C
解析：表示对过去发生事情的猜测，用musthavedone或mighthavedone。前者把握性更大些。
