delay,put off区别

题目

delay,put off区别
The train ________ one hour because of the accident.
A.delayed
B.was delayed
C.put off
D.was put off
请问delay,put off的具体区别

答案

delay:de.layed; de.lay.ing; de.lays;delay v.tr.To postpone until a later time; defer.延期；推迟To cause to be later or slower than expected or desired: 使…延迟使…比期望的要迟一些或慢一些：Heavy traf...