Exam ACP-100 topic 1 question 19 discussion

A team complains that many of their issues are in the Closed status, but do not have a resolution set, which causes problems with reporting. The project uses a single workflow.
You want to set the resolution to Done on all existing issues in the Closed status.
Which combination of workflow elements and a bulk operation will achieve this?
A.
✑ A temporary transition and a trigger
✑ An Edit Issues bulk operation
B.
✑ A temporary transition and a post function
✑ A Transition Issues bulk operation
C.
A screen and the Resolution field

✑ A Move Issues bulk operation
D.
✑ A screen and a custom field
✑ An Edit Issues bulk operation
E.
✑ A temporary transition and a screen
✑ An Edit Issues bulk operation