When are acceptance tests typically written for a user story?

A.
After coding the story, but before user acceptance testing begins
B.
After writing the story, but before coding begins
C.
At the start of Product Backlog prioritization planning
D.
After estimating the Product Backlog, but before Sprint planning begins
D
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Discuss the stories, Select Stories, Write acceptance test, Break into task, Estimate. So answer is correct. It is “C”.
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acceptance test is part of user story writing so it should be at the start
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