✔ 最佳答案
Yeah, what 001 said is definitely correct.
The job was done.
---> We talk about the completed action in the past.
The job has been done.
---> We talk about the action happened at an unspecified time before now. That means you can talk about the action happened not long ago. We do care about the result of doing something.
Kindly refer to the URL below. Hope you can understand it more... : )