Tom hurried to school only to find that there was none because it was Sunday and he to school.
A. couldn’t have gone
B. needn’t have gone
C. mustn’t go
D. needn’t go
网友回答
A. couldn’t have gone
(答案→)B. needn’t have gone
C. mustn’t go
D. needn’t go
解析：needn’t have gone“本不必去(实际去了)，根据句中的时间状语可知说的是过去的事情所以选B。