There was plenty of time for her to catch the train. She _______

There was plenty of time for her to catch the train. She ______________.
A、mustn’t have hurried
B、needn’t have hurried
C、couldn’t have hurried
D、must not hurry
【正确答案】：B
【题目解析】：句意：她有足够的时间赶上火车。她本不必匆忙的。