Correct answer 20 points + brainliest

Polygons ABDC and A′B′D′C′ are shown on the coordinate grid:

What set of transformations is performed on ABDC to form A′B′D′C′?

options for answers:

A.
A 90-degree counterclockwise rotation about the origin followed by a translation 1 unit to the left

B.
A translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin

C.
A 270-degree counterclockwise rotation about the origin followed by a translation 1 unit to the left

D.
A translation 1 unit to the left followed by a 270-degree counterclockwise rotation about the origin